Clemastine interactions

Clemastine, an antihistamine has 305 documented interactions across the FDA labels and fact sheets we index: 80 major, 180 moderate, 43 minor, and 2 where a label reports no significant interaction. Each entry below quotes the sentence behind it. This drug page is a starting point, not a verdict for your situation.

Interactions from the label

Major interactions (80)

  • Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Acetaminophen and codeine label, Boxed warning)

  • AclidiniumanticholinergicMajor

    Avoid administrations of TUDORZA PRESSAIR with other anticholinergic-containing drugs. (Aclidinium label, Drug interactions)

  • AlcoholAlcoholMajor

    Combining alcohol with sedating medicines (opioids, benzodiazepines, sleep medicines, muscle relaxants) can cause dangerous drowsiness, slowed breathing, and overdose. (NIAAA, Harmful Interactions: Mixing Alcohol with Medicines)

  • AlprazolambenzodiazepineMajor

    • Effects on Driving and Operating Machinery: Patients receiving • alprazolam XR should be cautioned against operating machinery or driving a motor vehicle, as well as avoiding concomitant use of alcohol and other central nervous system (CNS) depressant drugs. (Alprazolam label, Warnings and precautions)

  • Azelastine and fluticasoneantihistamineMajor

    • Avoid concurrent use of alcohol or other central nervous system (CNS) depressants with azelastine hydrochloride and fluticasone propionate nasal spray because further decreased alertness and impairment of CNS performance may occur. (Azelastine and fluticasone label, Warnings and precautions)

  • …AND MISUSE; LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL EXPOSURE; NEONATAL OPIOD WITHDRAWAL SYNDROME; and RISKS FROM CONCOMITANT USE WITH ALCOHOL, BENZODIAZEPINES OR OTHER CNS DEPRESSANTS Addiction, Abuse, and Misuse Belladonna and opium suppositories expose patients and other users to the risks of opioid addiction, abuse, and misuse, which can lead to… (Belladonna and opium label, Boxed warning)

  • BuprenorphineopioidMajor

    Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Buprenorphine label, Boxed warning)

  • Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Butalbital, acetaminophen, caffeine, and codeine label, Boxed warning)

  • Concomitant use of opioids or a barbiturate with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Butalbital, aspirin, caffeine, and codeine label, Boxed warning)

  • ButorphanolopioidMajor

    Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Butorphanol label, Boxed warning)

  • CarbinoxamineantihistamineMajor

    Avoid concurrent use of Carbinoxamine Maleate Extended-Release Oral Suspension with alcohol or other central nervous system depressants because additional impairment of central nervous system performance may occur. (Carbinoxamine label, Warnings and precautions)

  • CetirizineantihistamineMajor

    Avoid concurrent use of QUZYTTIR with alcohol or other CNS depressants because additional reduction in alertness and additional impairment of CNS performance may occur. (Cetirizine label, Warnings and precautions)

  • CiprofloxacinfluoroquinoloneMajor

    Table 8: Drugs That are Affected by and Affecting Ciprofloxacin Drugs That are Affected by Ciprofloxacin Drug(s) Recommendation Comments Tizanidine Contraindicated Concomitant administration of tizanidine and ciprofloxacin is contraindicated due to the potentiation of hypotensive and sedative effects of tizanidine [see Contraindications ( 4.2 )]. (Ciprofloxacin label, Drug interactions)

  • Clonidinealpha-adrenergic agonistMajor

    Avoid use with other central nervous system (CNS) depressants ( 5.3 ) (Clonidine label, Warnings and precautions)

  • ClozapineantipsychoticMajor

    When possible, avoid concomitant use, with other anticholinergic medications because the risk for anticholinergic toxicity or severe gastrointestinal adverse reactions is increased [see Warnings and Precautions ( 5.7 ), Drug Interactions ( 7.1 )]. (Clozapine label, Warnings and precautions)

  • CodeineopioidMajor

    Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Codeine label, Boxed warning)

  • Cyclobenzaprinemuscle relaxantMajor

    Based on its structural similarity to TCAs, concomitant use of TONMYA with: MAO inhibitors may be life-threatening [see Contraindications (4) ] , Alcohol, barbiturates, and other CNS depressants may increase the risk of adverse reactions associated with these drugs, Tramadol may increase the seizure risk, Guanethidine or other similar acting drugs may block the… (Cyclobenzaprine label, Drug interactions)

  • DarunavirantiretroviralMajor

    …elbasvir/grazoprevir Lipid modifying agents: lomitapide, lovastatin, simvastatin Opioid Antagonist: naloxegol PDE-5 inhibitor: sildenafil when used for treatment of pulmonary arterial hypertension Sedatives/hypnotics: orally administered midazolam, triazolam Co-administration of PREZISTA/ritonavir is contraindicated with drugs that are highly dependent on CYP3A for clearance… (Darunavir label, Contraindications)

  • Darunavir and cobicistatantiretroviralMajor

    …elbasvir/grazoprevir Lipid modifying agents: lomitapide, lovastatin, simvastatin Opioid Antagonist: naloxegol PDE-5 inhibitor: sildenafil when used for treatment of pulmonary arterial hypertension Sedatives/hypnotics: orally administered midazolam, triazolam PREZCOBIX or PREZCOBIX PED is contraindicated in patients receiving certain co-administered drugs for which altered plasma… (Darunavir and cobicistat label, Contraindications)

  • Usage of MOTOFEN ® in recommended doses is not likely to cause prominent anticholinergic side effects, but MOTOFEN ® should be avoided in patients in whom anticholinergic drugs are contraindicated. (Difenoxin and atropine label, Warnings)

  • CONTRAINDICATIONS Diphenoxylate hydrochloride and atropine sulfate is contraindicated in: • Pediatric patients less than 6 years of age due to the risks of respiratory and central nervous system (CNS) depression (see WARNINGS ). (Diphenoxylate and atropine label, Contraindications)

  • DoxylamineantihistamineMajor

    …glaucoma • trouble urinating due to an enlarged prostate gland Ask a doctor or pharmacist before use if you are taking • a sedative or any other sleep-aid • tranquilizers • any other antihistamines • any other drugs When using this product • avoid alcoholic beverages • do not drive a motor vehicle or operate machinery • take only at bedtime Stop use and ask a doctor… (Doxylamine label, Warnings)

  • Doxylamine and pyridoxineantihistamineMajor

    …hydrochloride delayed-release tablets are contraindicated in women with any of the following conditions: Known hypersensitivity to doxylamine succinate, other ethanolamine derivative antihistamines, pyridoxine hydrochloride or any inactive ingredient in the formulation Monoamine oxidase (MAO) inhibitors intensify and prolong the adverse central nervous system effects… (Doxylamine and pyridoxine label, Contraindications)

  • …Lipid-modifying Agents: lomitapide, lovastatin, simvastatin Phosphodiesterase-5 (PDE-5) Inhibitor: sildenafil when administered as REVATIO ® for the treatment of pulmonary arterial hypertension Sedative/hypnotics: triazolam, orally administered midazolam Coadministration of GENVOYA is contraindicated with drugs that: Are highly dependent on CYP3A for clearance and for which… (Elvitegravir, cobicistat, emtricitabine, and tenofovir label, Contraindications)

  • Eszopiclonesedative-hypnoticMajor

    The use of LUNESTA with other sedative-hypnotics at bedtime or the middle of the night is not recommended. (Eszopiclone label, Warnings and precautions)

  • FentanylopioidMajor

    • Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fentanyl label, Boxed warning)

  • FosamprenavirantiretroviralMajor

    …Hypericum perforatum ) Lipid modifying agents: Lomitapide, lovastatin, simvastatin Non-nucleoside reverse transcriptase inhibitor: Delavirdine PDE5 inhibitor: Sildenafil (Revatio) (for treatment of pulmonary arterial hypertension) Sedative/hypnotics: Midazolam, triazolam Hypersensitivity to fosamprenavir calcium or amprenavir (e.g., Stevens-Johnson syndrome). (Fosamprenavir label, Contraindications)

  • Intervention Concomitant use of anticholinergic drugs with GVOKE VialDx is not recommended. (Glucagon label, Drug interactions)

  • GlycopyrrolateanticholinergicMajor

    • Other Conditions Exacerbated by Anticholinergic Adverse Reactions : Use is not recommended in patients with autonomic neuropathy, hyperthyroidism, cardiac disease, hiatal hernia, etc. (Glycopyrrolate label, Warnings and precautions)

  • HydrocodoneopioidMajor

    Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Hydrocodone label, Boxed warning)

  • Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Hydrocodone and acetaminophen label, Boxed warning)

  • …ABUSE, AND MISUSE; LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; MEDICATION ERRORS; CYTOCHROME P450 3A4 INTERACTION; CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; INTERACTION WITH ALCOHOL; NEONATAL OPIOID WITHDRAWAL SYNDROME WARNING: ADDICTION, ABUSE, AND MISUSE; LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION;… (Hydrocodone and chlorpheniramine label, Boxed warning)

  • …ABUSE, AND MISUSE; LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; MEDICATION ERRORS; CYTOCHROME P450 3A4 INTERACTION; CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; INTERACTION WITH ALCOHOL; NEONATAL OPIOID WITHDRAWAL SYNDROME Addiction, Abuse, and Misuse Hydrocodone bitartrate and homatropine methylbromide exposes patients and… (Hydrocodone and homatropine label, Boxed warning)

  • …LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; NEONATAL OPIOID WITHDRAWAL SYNDROME; CYTOCHROME P4503A4 INTERACTION; RISKS FROM CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; and SERIOUS CARDIOVASCULAR AND GASTROINTESTINAL EVENTS WARNING: SERIOUS AND LIFE-THREATENING RISKS FROM USE OF HYDROCODONE BITARTRATE AND IBUPROFEN TABLETS Addiction,… (Hydrocodone and ibuprofen label, Boxed warning)

  • HydromorphoneopioidMajor

    Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death . (Hydromorphone label, Boxed warning)

  • HydroxyzineantihistamineMajor

    Rarely, cardiac arrests and death have been reported in association with the combined use of hydroxyzine hydrochloride intramuscularly and other CNS depressants. (Hydroxyzine label, Precautions)

  • IpratropiumanticholinergicMajor

    Avoid administration of ATROVENT HFA with other anticholinergic-containing drugs ( 7.1 ) (Ipratropium label, Drug interactions)

  • KetamineCNS depressantMajor

    Benzodiazepines, Opioid Analgesics, or other CNS Depressants : Concomitant use may result in profound sedation, respiratory depression, coma, or death. (Ketamine label, Drug interactions)

  • Ketoconazoleazole antifungalMajor

    This may potentiate and prolong hypnotic and sedative effects, especially with repeated dosing or chronic administration of these agents. (Ketoconazole label, Contraindications)

  • LevocetirizineantihistamineMajor

    Avoid concurrent use of alcohol or other central nervous system depressants with XYZAL. (Levocetirizine label, Warnings and precautions)

  • LevorphanolopioidMajor

    Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Levorphanol label, Boxed warning)

  • Lopinavir and ritonavirantiretroviralMajor

    …Non-opioid Analgesic (selective blocker of Nav1.8 sodium channels): suzetrigine PDE5 Inhibitor: sildenafil (Revatio ® ) when used for the treatment of pulmonary arterial hypertension Sedative/Hypnotics: triazolam, orally administered midazolam KALETRA is contraindicated with drugs that are potent CYP3A inducers where significantly reduced lopinavir plasma concentrations… (Lopinavir and ritonavir label, Contraindications)

  • LorazepambenzodiazepineMajor

    Caution patients receiving LOREEV XR against operating machinery or driving a motor vehicle as well to avoid the concomitant use of alcohol and other CNS depressant drugs during treatment ( 5.4 , 7 ) (Lorazepam label, Warnings and precautions)

  • MeperidineopioidMajor

    Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Meperidine label, Boxed warning)

  • Metaxalonemuscle relaxantMajor

    If concomitant use with another CNS depressant is warranted, closely monitor for signs of respiratory depression and sedation, particularly during treatment initiation and dosage increases. (Metaxalone label, Warnings and precautions)

  • MethadoneopioidMajor

    Managing Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, is a risk factor for respiratory depression and death [see Warnings and Precautions ( 5.2 )]. (Methadone label, Boxed warning)

  • Metoclopramidedopamine antagonistMajor

    Other important considerations in the differential diagnosis include central anticholinergic toxicity, heat stroke, malignant hyperthermia, drug fever, serotonin syndrome, and primary central nervous system pathology. (Metoclopramide label, Warnings and precautions)

  • MidazolambenzodiazepineMajor

    WARNING: PERSONNEL AND EQUIPMENT FOR MONITORING AND RESUSCITATION AND RISKS FROM CONCOMITANT USE WITH OPIOID ANALGESICS AND OTHER SEDATIVE-HYPNOTICS Personnel and Equipment for Monitoring and Resuscitation Only personnel trained in the administration of procedural sedation, and not involved in the conduct of the diagnostic or therapeutic procedure, should administer… (Midazolam label, Boxed warning)

  • MoexiprilACE inhibitorMajor

    None of the cases were considered life-threatening and all resolved either without treatment or with medication (antihistamines or glucocorticoids). (Moexipril label, Warnings)

  • MorphineopioidMajor

    Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Morphine label, Boxed warning)

  • NalbuphineopioidMajor

    Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Nalbuphine label, Boxed warning)

  • Nalmefeneopioid antagonistMajor

    Risk of Recurrent Respiratory and CNS Depression : A recurrence of respiratory depression is possible, therefore, keep the patient under continued surveillance and administer repeat doses of ZURNAI using a new auto-injector with each dose while awaiting emergency medical assistance. (Nalmefene label, Warnings and precautions)

  • …(selective blocker of Na v 1.8 sodium channels): suzetrigine • Opioid antagonists: naloxegol • PDE5 inhibitor: sildenafil (Revatio ® ) when used for pulmonary arterial hypertension (PAH) • Sedative/hypnotics: triazolam, oral midazolam • Serotonin receptor 1A agonist/serotonin receptor 2A antagonist: flibanserin • Vasopressin receptor antagonists: tolvaptan ➢ Drugs that… (Nirmatrelvir and ritonavir label, Contraindications)

  • OliceridineopioidMajor

    Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Oliceridine label, Boxed warning)

  • OlopatadineantihistamineMajor

    • Avoid concurrent use of alcohol or other central nervous system depressants with olopatadine hydrochloride nasal solution (nasal spray) ( 5.2 ). (Olopatadine label, Warnings and precautions)

  • Olopatadine and mometasoneantihistamineMajor

    • Avoid concurrent use of alcohol or other central nervous system (CNS) depressants with RYALTRIS because additional reductions in alertness and additional impairment of CNS performance may occur. (Olopatadine and mometasone label, Warnings and precautions)

  • OxycodoneopioidMajor

    Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Oxycodone label, Boxed warning)

  • …LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; NEONATAL OPIOID WITHDRAWAL SYNDROME; CYTOCHROME P450 3A4 INTERACTION; and RISKS FROM CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS Addiction, Abuse, and Misuse Oxycodone hydrochloride tablets exposes patients and other users to the risks of opioid addiction, abuse, and misuse, which can lead to… (Oxycodone and acetaminophen label, Boxed warning)

  • OxymorphoneopioidMajor

    Risks From Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Oxymorphone label, Boxed warning)

  • …MITIGATION STRATEGY (REMS); LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; NEONATAL OPIOID WITHDRAWAL SYNDROME; and RISKS FROM CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS Addiction, Abuse, and Misuse Pentazocine and Naloxone Tablets exposes patients and other users to the risks of opioid addiction, abuse, and misuse, which can lead to… (Pentazocine and naloxone label, Boxed warning)

  • PerphenazineantipsychoticMajor

    …contraindicated in comatose or greatly obtunded patients and in patients receiving large doses of central nervous system depressants (barbiturates, alcohol, narcotics, analgesics, or antihistamines); in the presence of existing blood dyscrasias, bone marrow depression, or liver damage; and in patients who have shown hypersensitivity to perphenazine products, their… (Perphenazine label, Contraindications)

  • PhenelzineMAO inhibitorMajor

    Phenelzine sulfate should not be used in combination with dextromethorphan or with CNS depressants such as alcohol and certain narcotics. (Phenelzine label, Contraindications)

  • PitolisantQT-prolonging drugMajor

    Prevention or Management: Avoid centrally acting H1 receptor antagonists. (Pitolisant label, Drug interactions)

  • Potassium citratepotassium supplementMajor

    In patients in whom there is cause for arrest or delay in tablet passage through the gastrointestinal tract, such as those suffering from delayed gastric emptying, esophageal compression, intestinal obstruction or stricture, or those taking anticholinergic medication. (Potassium citrate label, Contraindications)

  • …PROMETHAZINE AND RESPIRATORY DEPRESSION IN CHILDREN; MEDICATION ERRORS; INTERACTIONS WITH DRUGS AFFECTING CYTOCHROME P450 ISOENZYMES; CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; NEONATAL OPIOID WITHDRAWAL SYNDROME Addiction, Abuse, and Misuse Promethazine HCl and Codeine Phosphate Oral Solution exposes patients and other users to the risks… (Promethazine and codeine label, Boxed warning)

  • QuinidineantiarrhythmicMajor

    Quinidine is also contraindicated in patients who, like those with myasthenia gravis, might be adversely affected by an anticholinergic agent. (Quinidine label, Contraindications)

  • RemifentanilopioidMajor

    Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Remifentanil label, Boxed warning)

  • RitonavirantiretroviralMajor

    WARNING: DRUG-DRUG INTERACTIONS LEADING TO POTENTIALLY SERIOUS AND/OR LIFE THREATENING REACTIONS Co-administration of NORVIR with several classes of drugs including sedative hypnotics, antiarrhythmics, or ergot alkaloid preparations may result in potentially serious and/or life-threatening adverse events due to possible effects of NORVIR on the hepatic metabolism… (Ritonavir label, Boxed warning)

  • Rivastigminecholinesterase inhibitorMajor

    Concomitant use with metoclopramide, beta-blockers, or cholinomimetic and anticholinergic drugs is not recommended ( 7.1 , 7.2 , 7.3 ) (Rivastigmine label, Drug interactions)

  • Sodium oxybateCNS depressantMajor

    Abuse or misuse of illicit GHB, either alone or in combination with other CNS depressants, is associated with CNS adverse reactions, including seizure, respiratory depression, decreases in the level of consciousness, coma, and death [see Warnings and Precautions ( 5.2 )]. (Sodium oxybate label, Boxed warning)

  • TapentadolopioidMajor

    Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Tapentadol label, Boxed warning)

  • TiotropiumanticholinergicMajor

    Avoid administration of SPIRIVA RESPIMAT with other anticholinergic-containing drugs. (Tiotropium label, Drug interactions)

  • TramadolopioidMajor

    Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Tramadol label, Boxed warning)

  • Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Tramadol and acetaminophen label, Boxed warning)

  • TranylcypromineMAO inhibitorMajor

    These medicines are in some cold, hay fever or weight-loss medicines. sympathomimetic herbal medicines or dietary supplements antihistamines (allergy medicines) triptans buspirone carbamazepine dextromethorphan dopamine hydroxytryptophan and tryptophan levodopa and methyldopa meperidine rasagline resperine s-adenosyl-L-methionine (SAM-e) tapentadol tetrabenazin… (Tranylcypromine label, Boxed warning)

  • TriazolambenzodiazepineMajor

    • Effects on Driving and Operating Heavy Machinery : Patients receiving triazolam should be cautioned against driving or operating heavy machinery, as well as avoiding concomitant use with alcohol and other CNS depressant drugs. (Triazolam label, Warnings and precautions)

  • UmeclidiniumanticholinergicMajor

    Avoid administration of Umeclidinium ELLIPTA with other anticholinergic-containing drugs. (Umeclidinium label, Drug interactions)

  • Umeclidinium and vilanterolanticholinergicMajor

    Avoid administration of Umeclidinium and Vilanterol ELLIPTA with other anticholinergic-containing drugs. (Umeclidinium and vilanterol label, Drug interactions)

  • Zaleplonsedative-hypnoticMajor

    The use of zaleplon with other sedative-hypnotics at bedtime or the middle of the night is not recommended (see ). (Zaleplon label, Warnings)

  • Zolpidemsedative-hypnoticMajor

    The use of Zolpidem Tartrate with other sedative-hypnotics (including other zolpidem products) at bedtime or the middle of the night is not recommended. (Zolpidem label, Warnings and precautions)

Moderate interactions (180)

  • AlemtuzumabimmunosuppressantModerate

    Premedicate patients with an antihistamine and acetaminophen prior to each dose. (Alemtuzumab label, Warnings and precautions)

  • AliskirenantihypertensiveModerate

    Patients who experience these effects, even without respiratory distress, require prolonged observation and appropriate monitoring measures since treatment with antihistamines and corticosteroids may not be sufficient to prevent respiratory involvement. (Aliskiren label, Warnings and precautions)

  • Allopurinolxanthine oxidase inhibitorModerate

    Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (Allopurinol label, Warnings and precautions)

  • AlpelisibModerate

    If a SCAR is not confirmed, VIJOICE may require dose modifications, topical or systemic corticosteroids, or oral antihistamine treatment as described in Table 4 [see Dosage and Administration (2.5)] . (Alpelisib label, Warnings and precautions)

  • AminophyllinemethylxanthineModerate

    25% increase Diazepam Benzodiazepines increase CNS concentrations of adenosine, a potent CNS depressant, while theophylline blocks adenosine receptors. (Aminophylline label, Drug interactions)

  • Amitriptylinetricyclic antidepressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Amoxapinetricyclic antidepressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • AripiprazoleantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • AsenapineantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • AzelastineantihistamineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Baclofenmuscle relaxantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Drugs that alter gastrointestinal motility: The bioavailability of thiazide-type diuretics may be increased by anticholinergic agents (e.g., atropine, biperiden), apparently due to a decrease in gastrointestinal motility and the stomach emptying rate. (Benazepril and hydrochlorothiazide label, Drug interactions)

  • BendamustineModerate

    Consider measures to prevent severe reactions, including antihistamines, antipyretics and corticosteroids in subsequent cycles in patients who have experienced Grade 1 or 2 infusion reactions. (Bendamustine label, Warnings and precautions)

  • Sedatives/Hypnotics: midazolam (oral) triazolam ↑ midazolam (oral) ↑ triazolam Use caution when midazolam or triazolam is concomitantly administered with BIXLENVO. (Bictegravir, emtricitabine, and tenofovir alafenamide label, Drug interactions)

  • Botulinum toxin type Aneuromuscular blockerModerate

    Aminoglycosides or other agents interfering with neuromuscular transmission Anticholinergic drugs Botulinum neurotoxin products Muscle relaxants Aminoglycoside antibiotics, anticholinergic agents, or any other agents that interfere with neuromuscular transmission may potentiate the effect of DAXXIFY; co-administer only with caution and close observation. (Botulinum toxin type A label, Drug interactions)

  • BrexpiprazoleantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Brimonidinealpha-adrenergic agonistModerate

    Use with CNS depressants may result in an additive or potentiating effect. (Brimonidine label, Drug interactions)

  • Brimonidine and timololalpha-adrenergic agonistModerate

    Use with CNS depressants may result in an additive or potentiating effect. (Brimonidine and timolol label, Drug interactions)

  • BrivaracetamanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Budesonide and formoterolcorticosteroidModerate

    In clinical studies, concurrent administration of budesonide and formoterol fumarate dihydrate and other drugs, such as short-acting beta 2 -agonists, intranasal corticosteroids, and antihistamines/decongestants has not resulted in an increased frequency of adverse reactions. (Budesonide and formoterol label, Drug interactions)

  • Bupivacainelocal anestheticModerate

    Possible early warning signs of central nervous system (CNS) toxicity are restlessness, anxiety, incoherent speech, lightheadedness, numbness and tingling of the mouth and lips, metallic taste, tinnitus, dizziness, blurred vision, tremors, twitching, CNS depression, or drowsiness. (Bupivacaine label, Warnings and precautions)

  • Bupivacaine and epinephrinelocal anestheticModerate

    Possible early warning signs of central nervous system (CNS) toxicity are restlessness, anxiety, incoherent speech, lightheadedness, numbness and tingling of the mouth and lips, metallic taste, tinnitus, dizziness, blurred vision, tremors, twitching, CNS depression, or drowsiness. (Bupivacaine and epinephrine label, Warnings and precautions)

  • Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Buspironeserotonergic drugModerate

    Triazolam/flurazepam: Coadministration of buspirone with either triazolam or flurazepam did not appear to prolong or intensify the sedative effects of either benzodiazepine. (Buspirone label, Drug interactions)

  • Butalbital and acetaminophenbarbiturateModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Cannabidiol (prescription)anticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • CarbamazepineanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • CarbidopaModerate

    Other important considerations in the differential diagnosis include central anticholinergic toxicity, heat stroke, drug fever, and primary central nervous system (CNS) pathology. (Carbidopa label, Warnings)

  • CariprazineantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Carisoprodolmuscle relaxantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • CenobamateanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • ChlordiazepoxidebenzodiazepineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Chlordiazepoxide and clidiniumbenzodiazepineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • ChlorpheniramineantihistamineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • ChlorpromazineantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Chlorzoxazonemuscle relaxantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • ClobazambenzodiazepineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Clomipraminetricyclic antidepressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • ClonazepambenzodiazepineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • ClorazepatebenzodiazepineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • CyproheptadineantihistamineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Dantrolenemuscle relaxantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Daridorexantsedative-hypnoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • DarifenacinanticholinergicModerate

    Darifenacin extended-release tablets, like other anticholinergic drugs, may decrease gastrointestinal motility and should be used with caution in patients with conditions such as severe constipation, ulcerative colitis, and myasthenia gravis. (Darifenacin label, Warnings and precautions)

  • Desfluranegeneral anestheticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Desipraminetricyclic antidepressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • DeutetrabenazineVMAT2 inhibitorModerate

    Other important considerations in the differential diagnosis include central anticholinergic toxicity, heat stroke, drug fever, and primary central nervous system pathology. (Deutetrabenazine label, Warnings and precautions)

  • DexchlorpheniramineantihistamineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Dexmedetomidinealpha-adrenergic agonistModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Dextromethorphan and quinidineserotonergic drugModerate

    Anticholinergic effects of quinidine: Monitor for worsening in myasthenia gravis and other sensitive conditions. (Dextromethorphan and quinidine label, Warnings and precautions)

  • DiazepambenzodiazepineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • DicyclomineanticholinergicModerate

    Anticholinergic agents: may affect the gastrointestinal absorption of various drugs; may also increase certain actions or side effects of other anticholinergic drugs (7) (Dicyclomine label, Drug interactions)

  • DimenhydrinateantihistamineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • DiphenhydramineantihistamineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Divalproex (valproate)anticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Doxepintricyclic antidepressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • DronabinolcannabinoidModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Droperidoldopamine antagonistModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • EfavirenzantiretroviralModerate

    Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (Efavirenz label, Warnings and precautions)

  • EluxadolineopioidModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • EpinephrinesympathomimeticModerate

    …arrhythmias [see Warnings and Precautions (5.6) and Adverse Reactions (6) ]. β-blockers, such as propranolol Cyclopropane or halogenated hydrocarbon anesthetics, such as halothane Antihistamines Thyroid hormones Diuretics Cardiac glycosides, such as digitalis glycosides Quinidine Drugs potentiating hypokalemic effects of epinephrine • Potassium depleting diuretics… (Epinephrine label, Drug interactions)

  • EslicarbazepineanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • EstazolambenzodiazepineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • EthosuximideanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Etomidategeneral anestheticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • FelbamateanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • FesoterodineanticholinergicModerate

    Urinary Retention in Adult Patients With Bladder Outlet Obstruction The use of Toviaz, like other antimuscarinic drugs, in patients with clinically significant bladder outlet obstruction, including patients with urinary retention, may result in further urinary retention and kidney injury. (Fesoterodine label, Warnings and precautions)

  • FlibanserinCNS depressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • FlumazenilbenzodiazepineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • FluphenazineantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • FosphenytoinanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • GabapentinanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Guanfacinealpha-adrenergic agonistModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • HaloperidolantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • • Large doses of salicylates, cortisone, adrenocorticotropic hormone (ACTH), estrogens or antihistamines may require larger amounts of hyaluronidase for equivalent dispersing effect ( 7.4 ) (Hyaluronidase label, Drug interactions)

  • IloperidoneantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • ImatinibCYP3A4 inhibitorModerate

    In these instances, Gleevec was resumed at a dose lower than that at which the reaction occurred and some patients also received concomitant treatment with corticosteroids or antihistamines. (Imatinib label, Warnings and precautions)

  • Imipraminetricyclic antidepressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • IncobotulinumtoxinAneuromuscular blockerModerate

    Because of its anticholinergic effects, XEOMIN should be used with caution in patients at risk of developing narrow angle glaucoma. (IncobotulinumtoxinA label, Warnings and precautions)

  • InfliximabimmunosuppressantModerate

    Medications for the treatment of hypersensitivity reactions (e.g., acetaminophen, antihistamines, corticosteroids and/or epinephrine) should be available for immediate use in the event of a reaction [see Dosage and Administration (2.10) and Adverse Reactions (6.1) ] . (Infliximab label, Warnings and precautions)

  • Ipratropium and albuterolanticholinergicModerate

    Caution is, therefore, advised in the co-administration of Ipratropium Bromide and Albuterol Sulfate Inhalation Solution with other drugs having anticholinergic properties. β-adrenergic agents Caution is advised in the co-administration of Ipratropium Bromide and Albuterol Sulfate Inhalation Solution and other sympathomimetic agents due to the increased risk… (Ipratropium and albuterol label, Drug interactions)

  • Isofluranegeneral anestheticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • IsoniazidantibioticModerate

    Monoamine oxidase (MAO) inhibitors prolong and intensify the anticholinergic effects of antihistamines. (Clemastine label, Drug interactions)

  • Isoproterenolbeta-adrenergic agonistModerate

    Drugs that may potentiate clinical response of Isoproterenol Clinical Impact The effects of isoproterenol may be potentiated by tricyclic antidepressants, monoamine oxidase inhibitors, levothyroxine sodium, and certain antihistamines, notably chlorpheniramine, tripelennamine, and diphenhydramine. (Isoproterenol label, Drug interactions)

  • LacosamideanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Lemborexantsedative-hypnoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • LevetiracetamanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Lidocaine and epinephrinelocal anestheticModerate

    Possible early warning signs of central nervous system (CNS) toxicity are restlessness, anxiety, incoherent speech, lightheadedness, metallic taste, tinnitus, dizziness, blurred vision, tremors, twitching, CNS depression, or drowsiness. (Lidocaine and epinephrine label, Warnings and precautions)

  • LinezolidantibioticModerate

    Monoamine oxidase (MAO) inhibitors prolong and intensify the anticholinergic effects of antihistamines. (Clemastine label, Drug interactions)

  • Even in those instances where swelling of only the tongue is involved, without respiratory distress, patients may require prolonged observation since treatment with antihistamines and corticosteroids may not be sufficient. (Lisinopril and hydrochlorothiazide label, Warnings)

  • Lofexidinealpha-adrenergic agonistModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • LoxapineantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • LumateperoneantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • LurasidoneantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • MargetuximabModerate

    In patients who experience mild or moderate IRRs, consider premedications, including antihistamines, corticosteroids, and antipyretics. (Margetuximab label, Warnings and precautions)

  • MeclizineantihistamineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • MefloquineantimalarialModerate

    Other Drugs that Prolong the QTc Interval Coadministration of other drugs known to alter cardiac conduction (e.g., anti-arrhythmic or beta-adrenergic blocking agents, calcium channel blockers, antihistamines or H 1 -blocking agents, tricyclic antidepressants and phenothiazines) might also contribute to a prolongation of the QTc interval. (Mefloquine label, Drug interactions)

  • MeprobamateCNS depressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Methocarbamolmuscle relaxantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • MethohexitalbarbiturateModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • MethsuximideanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Methylene blueMAO inhibitorModerate

    Monoamine oxidase (MAO) inhibitors prolong and intensify the anticholinergic effects of antihistamines. (Clemastine label, Drug interactions)

  • MetyrosineModerate

    Concurrent use of metyrosine with alcohol or other CNS depressants can increase their sedative effects. (Metyrosine label, Drug interactions)

  • Mirabegronbeta-adrenergic agonistModerate

    • Urinary Retention in Patients With Bladder Outlet Obstruction and in Patients Taking Muscarinic Antagonist Drugs for Overactive Bladder : Administer with caution in these patients because of risk of urinary retention. (Mirabegron label, Warnings and precautions)

  • MirtazapineantidepressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Anaphylactic Shock and Hypersensitivity Reactions: Premedicate all patients with a combination of an H1-antihistamine, an H2 blocker, and a leukotriene inhibitor prior to each APHEXDA dose. (Motixafortide label, Warnings and precautions)

  • Naloxoneopioid antagonistModerate

    WARNINGS AND PRECAUTIONS Risk of Recurrent Respiratory and CNS Depression : Due to the duration of action of naloxone relative to the opioid, respiratory and CNS depression may recur after the first dose of naloxone. (Naloxone label, Warnings and precautions)

  • Naltrexone and bupropionopioid antagonistModerate

    …malformation, central nervous system tumor or infection, or metabolic disorders (e.g., hypoglycemia, hyponatremia, severe hepatic impairment, and hypoxia) excessive use of alcohol or sedatives, addiction to cocaine or stimulants, or withdrawal from sedatives patients with diabetes treated with insulin and/or oral diabetic medications (sulfonylureas and meglitinides)… (Naltrexone and bupropion label, Warnings and precautions)

  • Neostigminecholinesterase inhibitorModerate

    An anticholinergic agent, (e.g., atropine sulfate or glycopyrrolate) should be administered prior to Neostigmine Methylsulfate Injection administration to lessen the risk of bradycardia [ see Dosage and Administration ( 2.4 ) ]. (Neostigmine label, Warnings and precautions)

  • Nortriptylinetricyclic antidepressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • OcrelizumabimmunosuppressantModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • OfloxacinfluoroquinoloneModerate

    Serious acute hypersensitivity reactions may require treatment with epinephrine and other resuscitative measures, including oxygen, intravenous fluids, antihistamines, corticosteroids, pressor amines, and airway management, as clinically indicated (see PRECAUTIONS and ADVERSE REACTIONS ). (Ofloxacin label, Warnings)

  • OlanzapineantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Olanzapine and fluoxetineantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • OnabotulinumtoxinAneuromuscular blockerModerate

    Anticholinergic Drugs Use of anticholinergic drugs after administration of BOTOX may potentiate systemic anticholinergic effects. (OnabotulinumtoxinA label, Drug interactions)

  • Orphenadrinemuscle relaxantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • OxazepambenzodiazepineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • OxcarbazepineanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • OxybutyninanticholinergicModerate

    Oxybutynin chloride extended-release tablets, like other anticholinergic drugs, may decrease gastrointestinal motility and should be used with caution in patients with conditions such as ulcerative colitis and intestinal atony. (Oxybutynin label, Warnings and precautions)

  • PaliperidoneantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • PerampanelanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • PhenobarbitalbarbiturateModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Phentermine and topiramateCNS stimulantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • PhenytoinanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Pilocarpinecholinergic agonistModerate

    These effects should be considered when anticholinergic properties may be contributing to the therapeutic effect of concomitant medication (e.g., atropine, inhaled ipratropium). (Pilocarpine label, Drug interactions)

  • PimavanserinantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • PimozideantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Posaconazoleazole antifungalModerate

    Concomitant Use with Midazolam : Noxafil can prolong hypnotic/sedative effects. (Posaconazole label, Warnings and precautions)

  • Pramipexoledopamine agonistModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • PregabalinanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • PrimidoneanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • ProcainamideantiarrhythmicModerate

    Anticholinergic drugs administered concurrently with PA may produce additive antivagal effects on A-V nodal conduction, although this is not as well documented for PA as for quinidine. (Procainamide label, Drug interactions)

  • ProchlorperazineantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • PromethazineantihistamineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • PropofolCNS depressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Protriptylinetricyclic antidepressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Pyridostigminecholinesterase inhibitorModerate

    Use with caution in persons with increased risk of anticholinergic reactions, such as persons with bronchial asthma, chronic obstructive pulmonary disease, bradycardia, cardiac arrhythmias, beta blocker treatment (increased risk of anticholinergic reactions). (Pyridostigmine label, Warnings and precautions)

  • QuetiapineantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Ramelteonsedative-hypnoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • RasagilineMAO inhibitorModerate

    Monoamine oxidase (MAO) inhibitors prolong and intensify the anticholinergic effects of antihistamines. (Clemastine label, Drug interactions)

  • RisperidoneantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Ropiniroledopamine agonistModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • RufinamideanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • ScopolamineanticholinergicModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • SelegilineMAO inhibitorModerate

    Monoamine oxidase (MAO) inhibitors prolong and intensify the anticholinergic effects of antihistamines. (Clemastine label, Drug interactions)

  • Sevofluranegeneral anestheticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • SolifenacinanticholinergicModerate

    Urinary Retention The use of Solifenacin succinate tablets, like other antimuscarinic drugs, in patients with clinically significant bladder outlet obstruction including patients with urinary retention, may result in further urinary retention and kidney injury. (Solifenacin label, Warnings and precautions)

  • Succinylcholineneuromuscular blockerModerate

    Pretreatment with anticholinergic agents (e.g., atropine) may reduce the occurrence of bradyarrhythmias. (Succinylcholine label, Warnings and precautions)

  • SugammadexModerate

    Monitor for hemodynamic changes and administer anticholinergic agents such as atropine if clinically significant bradycardia is observed. (Sugammadex label, Warnings and precautions)

  • Suvorexantsedative-hypnoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Tasimelteonsedative-hypnoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • TemazepambenzodiazepineModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • TemsirolimusModerate

    TORISEL should be used with caution in patients with known hypersensitivity to an antihistamine, or patients who cannot receive an antihistamine for other medical reasons. (Temsirolimus label, Warnings and precautions)

  • TetrabenazineVMAT2 inhibitorModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • TheophyllinemethylxanthineModerate

    25% increase Diazepam Benzodiazepines increase CNS concentrations of adenosine, a potent CNS depressant, while theophylline blocks adenosine receptors. (Theophylline label, Drug interactions)

  • ThioridazineantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • ThiothixeneantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • TiagabineanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Tizanidinemuscle relaxantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • TopiramateanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • TrazodoneantidepressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • TrifluoperazineantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • TrihexyphenidylanticholinergicModerate

    Concurrent use of alcohol or other CNS depressants with trihexyphenidyl may cause increased sedative effects. (Trihexyphenidyl label, Drug interactions)

  • The recent use of other drugs that cause CNS depression or EPS symptoms may also increase the risk; consider reducing the dosage or discontinuing the drug. (Trimethobenzamide label, Warnings and precautions)

  • Trimipraminetricyclic antidepressantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • TrospiumanticholinergicModerate

    Trospium chloride extended-release capsules, like other antimuscarinic agents, may decrease gastrointestinal motility and should be used with caution in patients with conditions such as ulcerative colitis, intestinal atony and myasthenia gravis. (Trospium label, Warnings and precautions)

  • ValbenazineVMAT2 inhibitorModerate

    Other important considerations in the differential diagnosis include central anticholinergic toxicity, heat stroke, drug fever, and primary central nervous system pathology. (Valbenazine label, Warnings and precautions)

  • Valproic acidanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Vibegronbeta-adrenergic agonistModerate

    Urinary Retention : Monitor for urinary retention, especially in patients with bladder outlet obstruction and also in patients taking muscarinic antagonist medications for OAB, in whom the risk of urinary retention may be greater. (Vibegron label, Warnings and precautions)

  • VigabatrinanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • Voriconazoleazole antifungalModerate

    Eszopiclone (CYP3A4 Inhibition) Not Studied In Vivo or In Vitro , but Drug Plasma Exposure Likely to be Increased which may Increase the Sedative Effect of Eszopiclone Dose reduction of eszopiclone is recommended. (Voriconazole label, Drug interactions)

  • Prior to the first BIZENGRI infusion, premedicate with a corticosteroid, an H1 antihistamine and acetaminophen to reduce the risk of IRRs [see Dosage and Administration (2.4) ]. (Zenocutuzumab label, Warnings and precautions)

  • ZiprasidoneantipsychoticModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

  • ZonisamideanticonvulsantModerate

    Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (Clemastine label, Warnings)

Minor mentions (43)

  • If signs of hypersensitivity occur, e.g. anaphylactoid reaction or angioedema develops, discontinue the Activase infusion and promptly institute appropriate therapy (e.g., antihistamines, intravenous corticosteroids, epinephrine). (Alteplase label, Warnings and precautions)

  • BenazeprilACE inhibitorMinor

    Symptoms have not been relieved by antihistamines in these situations. (Benazepril label, Warnings and precautions)

  • BenztropineanticholinergicMinor

    When benztropine mesylate is given concomitantly with phenothiazines, haloperidol, or other drugs with anticholinergic or antidopaminergic activity, patients should be advised to report gastrointestinal complaints, fever or heat intolerance promptly. (Benztropine label, Warnings)

  • Discontinue in patients who develop a severe infusion-related reaction and administer appropriate medical therapy (e.g., epinephrine, corticosteroids, intravenous antihistamines, bronchodilators and/or oxygen). (Bevacizumab label, Warnings and precautions)

  • BupropionantidepressantMinor

    Additional predisposing conditions include diabetes mellitus treated with oral hypoglycemic drugs or insulin, use of anorectic drugs, excessive use of alcohol, use of benzodiazepines, sedatives/hypnotics, or opiates. (Bupropion label, Warnings and precautions)

  • CefaclorcephalosporinMinor

    SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (Cefaclor label, Warnings)

  • CefadroxilcephalosporinMinor

    SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (Cefadroxil label, Warnings and precautions)

  • CefdinircephalosporinMinor

    SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (Cefdinir label, Warnings)

  • CefotetancephalosporinMinor

    SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (Cefotetan label, Warnings)

  • CefpodoximecephalosporinMinor

    SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINE, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (Cefpodoxime label, Warnings)

  • CefprozilcephalosporinMinor

    SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (Cefprozil label, Warnings)

  • CeftazidimecephalosporinMinor

    SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, IV FLUIDS, IV ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. (Ceftazidime label, Warnings)

  • CeftriaxonecephalosporinMinor

    Serious acute hypersensitivity reactions may require treatment with epinephrine and other emergency measures including oxygen, corticosteroids, intravenous fluids, intravenous antihistamines, pressor amines, and airway management, as clinically indicated. (Ceftriaxone label, Warnings and precautions)

  • Cevimelinecholinergic agonistMinor

    Cevimeline might interfere with desirable antimuscarinic effects of drugs used concomitantly. (Cevimeline label, Drug interactions)

  • DextroamphetamineCNS stimulantMinor

    Antihistamines Amphetamines may counteract the sedative effect of antihistamines. (Dextroamphetamine label, Drug interactions)

  • Donepezilcholinesterase inhibitorMinor

    Cholinesterase inhibitors have the potential to interfere with the activity of anticholinergic medications ( 7.1 ) (Donepezil label, Drug interactions)

  • In Drug-Induced CNS and Respiratory Depression Doxapram alone may not stimulate adequate spontaneous breathing or provide sufficient arousal in patients who are severely depressed either due to respiratory failure or to CNS depressant drugs, but may be used as an adjunct to established supportive measures and resuscitative techniques. (Doxapram label, Warnings)

  • Appropriate antihistamines and/or corticosteroids may improve the tolerability and hasten the resolution of rash. (Efavirenz, lamivudine, and tenofovir label, Warnings and precautions)

  • EnalaprilACE inhibitorMinor

    Symptoms have not been relieved by antihistamines in these situations. (Enalapril label, Warnings and precautions)

  • In instances where swelling has been confined to the face and lips the condition has generally resolved without treatment, although antihistamines have been useful in relieving symptoms. (Enalapril and hydrochlorothiazide label, Warnings)

  • EnalaprilatACE inhibitorMinor

    In instances where swelling has been confined to the face and lips the condition has generally resolved without treatment, although antihistamines have been useful in relieving symptoms. (Enalaprilat label, Warnings)

  • The “gasping syndrome” is characterized by central nervous system (CNS) depression, metabolic acidosis, and gasping respirations. (Epoetin alfa label, Warnings and precautions)

  • Erythromycinmacrolide antibioticMinor

    Erythromycin has been reported to significantly alter the metabolism of the nonsedating antihistamines terfenadine and astemizole when taken concomitantly. (Erythromycin label, Drug interactions)

  • FlunisolidecorticosteroidMinor

    Instead, nasal vasoconstrictors or oral antihistamines may be needed until the effects of flunisolide are fully manifested. (Flunisolide label, Precautions)

  • FluoxetineSSRIMinor

    Most patients improved promptly with discontinuation of fluoxetine and/or adjunctive treatment with antihistamines or steroids, and all patients experiencing these reactions were reported to recover completely. (Fluoxetine label, Warnings and precautions)

  • Galantaminecholinesterase inhibitorMinor

    Potential to interfere with the activity of anticholinergic medications ( 7.1 ) (Galantamine label, Drug interactions)

  • HeparinanticoagulantMinor

    Other Interactions Digitalis, tetracyclines, nicotine, or antihistamines, or intravenous nitroglycerin may partially counteract the anticoagulant action of heparin sodium. (Heparin label, Drug interactions)

  • Antihistamines and/or aspirin have been used for most mild to moderate cases. (Ivermectin label, Warnings)

  • LevofloxacinfluoroquinoloneMinor

    Serious acute hypersensitivity reactions may require treatment with epinephrine and other resuscitative measures, including oxygen, intravenous fluids, antihistamines, corticosteroids, pressor amines, and airway management, as clinically indicated [see Adverse Reactions ( 6 ) and Patient Counseling Information ( 17 )] . (Levofloxacin label, Warnings and precautions)

  • LisinoprilACE inhibitorMinor

    Symptoms have not been relieved by antihistamines in these situations. (Lisinopril label, Warnings and precautions)

  • The infusion should be terminated immediately, followed by the administration of volume expanders, pressor agents, corticosteroids, or antihistamines at the discretion of the physician. (Melphalan label, Warnings)

  • Memantine and donepezilcholinesterase inhibitorMinor

    NAMZARIC may interfere with anticholinergic medications. (Memantine and donepezil label, Drug interactions)

  • Oxacillinpenicillin antibioticMinor

    If an allergic reaction occurs, the drug should be discontinued and the patient should receive supportive treatment, e.g. , artificial maintenance of ventilation, pressor amines, antihistamines, and corticosteroids. (Oxacillin label, Warnings)

  • Pruritus and early rash may often be controlled by the concomitant administration of antihistamines. (Penicillamine label, Precautions)

  • Prazosinalpha blockerMinor

    …to date with the following: (1) cardiac glycosides– digitalis and digoxin; (2) hypoglycemics–insulin, chlorpropamide, phenformin, tolazamide, and tolbutamide; (3) tranquilizers and sedatives–chlordiazepoxide, diazepam, and phenobarbital; (4) antigout–allopurinol, colchicine, and probenecid; (5) antiarrhythmics–procainamide, propranolol (see WARNINGS however),… (Prazosin label, Drug interactions)

  • QuinaprilACE inhibitorMinor

    In instances where swelling is confined to the face and lips, the condition generally resolves without treatment; antihistamines may be useful in relieving symptoms. (Quinapril label, Warnings)

  • In instances where swelling is confined to the face and lips, the condition generally resolves without treatment; antihistamines may be useful in relieving symptoms. (Quinapril and hydrochlorothiazide label, Warnings)

  • RituximabimmunosuppressantMinor

    Premedicate patients with an antihistamine and acetaminophen prior to dosing. (Rituximab label, Warnings and precautions)

  • Sacubitril and valsartanangiotensin II receptor blocker (ARB)Minor

    In cases of confirmed angioedema where swelling has been confined to the face and lips, the condition has generally resolved without treatment, although antihistamines have been useful in relieving symptoms. (Sacubitril and valsartan label, Warnings and precautions)

  • If symptoms of hypersensitivity occur, initiate appropriate therapy (e.g., antihistamines, corticosteroids, epinephrine). (Tenecteplase label, Warnings and precautions)

  • It is difficult to determine if Tolcapone tablets played a role in the pathogenesis of these events because these patients received several concomitant medications affecting the central nervous system such as monoaminergic (i.e., MAO-I, tricyclic and selective serotonin reuptake inhibitors) and anticholinergic agents. (Tolcapone label, Precautions)

  • TrandolaprilACE inhibitorMinor

    In instances where swelling is confined to the face and lips, the condition generally resolves without treatment; antihistamines may be useful in relieving symptoms. (Trandolapril label, Warnings)

  • Prior to resumption of trastuzumab infusion, the majority of patients who experienced a severe infusion reaction were pre-medicated with antihistamines and/or corticosteroids. (Trastuzumab label, Warnings and precautions)

No significant interaction reported (2)

  • LenacapavirantiretroviralNo interaction

    Sedatives/Hypnotics: midazolam (oral) triazolam ↑ midazolam (oral) ↑ triazolam Use with caution when midazolam or triazolam is concomitantly administered with SUNLENCA 7.4 Drugs without Clinically Significant Interactions with SUNLENCA Based on drug interaction studies conducted with SUNLENCA, no clinically significant drug interactions have been observed with:… (Lenacapavir label, Drug interactions)

  • Montelukastleukotriene receptor antagonistNo interaction

    …adjustment is needed when SINGULAIR is co-administered with theophylline, prednisone, prednisolone, oral contraceptives, fexofenadine, digoxin, warfarin, gemfibrozil, itraconazole, thyroid hormones, sedative hypnotics, non-steroidal anti-inflammatory agents, benzodiazepines, decongestants, and Cytochrome P450 (CYP) enzyme inducers [see Clinical Pharmacology (12.3) ]. (Montelukast label, Drug interactions)

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Not medical advice. Severity reflects the label's wording, not your circumstances. A "major" flag can be routine under supervision and a "minor" one can matter at high doses. Ask a pharmacist.