Iloperidone interactions

Iloperidone (Fanapt), an antipsychotic has 267 documented interactions across the FDA labels and fact sheets we index: 113 major, 147 moderate, 6 minor, and 1 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.

Major interactions (113)

  • 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)

  • Alfuzosinalpha blockerMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • 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)

  • AmiodaroneantiarrhythmicMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Amitriptylinetricyclic antidepressantMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • AripiprazoleantipsychoticMajor

    Cerebrovascular Adverse Reactions, Including Stroke, in Elderly Patients with Dementia-Related Psychosis In placebo-controlled trials in elderly subjects with dementia, patients randomized to risperidone, aripiprazole, and olanzapine had a higher incidence of stroke and transient ischemic attack, including fatal stroke. (Iloperidone label, Warnings and precautions)

  • AsenapineantipsychoticMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Azithromycinmacrolide antibioticMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • 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)

  • 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)

  • CarbamazepineanticonvulsantMajor

    CNS Depressants The concomitant use of EQUETRO and other CNS depressants can increase the risk of respiratory depression, profound sedation, hypotension, and syncope. (Carbamazepine label, Drug interactions)

  • Carvedilolbeta blockerMajor

    Avoid coadministration of FANAPT with alpha-adrenergic blocking agents and adjust medications that affect blood pressure as needed [see Warnings and Precautions (5.7) ] . (Iloperidone label, Drug interactions)

  • 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)

  • ChlordiazepoxidebenzodiazepineMajor

    Prescribe the lowest effective dosage; avoid or minimize concomitant use of CNS depressants and other substances associated with abuse, misuse, and addiction (e.g., opioid analgesics, stimulants); and advise patients on the proper disposal of unused drug. (Chlordiazepoxide label, Warnings)

  • ChloroquineantimalarialMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • ChlorpromazineantipsychoticMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • CiprofloxacinfluoroquinoloneMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • CitalopramSSRIMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Clarithromycinmacrolide antibioticMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • ClobazambenzodiazepineMajor

    Prescribe the lowest effective dosage; avoid or minimize concomitant use of CNS depressants and other substances associated with abuse, misuse, and addiction (e.g., opioid analgesics, stimulants); and advise patients on the proper disposal of unused drug. (Clobazam label, Warnings and precautions)

  • ClonazepambenzodiazepineMajor

    Prescribe the lowest effective dosage; avoid or minimize concomitant use of CNS depressants and other substances associated with abuse, misuse, and addiction (e.g., opioid analgesics, stimulants); and advise patients on the proper disposal of unused drug. (Clonazepam label, Warnings)

  • Clonidinealpha-adrenergic agonistMajor

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

  • ClozapineantipsychoticMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • 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)

  • DeutetrabenazineVMAT2 inhibitorMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • DiazepambenzodiazepineMajor

    Prescribe the lowest effective dosage; avoid or minimize concomitant use of CNS depressants and other substances associated with abuse, misuse, and addiction (e.g., opioid analgesics, stimulants); and advise patients on the proper disposal of unused drug. (Diazepam label, Warnings)

  • DofetilideantiarrhythmicMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Doxazosinalpha blockerMajor

    Avoid coadministration of FANAPT with alpha-adrenergic blocking agents and adjust medications that affect blood pressure as needed [see Warnings and Precautions (5.7) ] . (Iloperidone label, Drug interactions)

  • DronedaroneantiarrhythmicMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Dutasteride and tamsulosin5-alpha reductase inhibitorMajor

    Avoid coadministration of FANAPT with alpha-adrenergic blocking agents and adjust medications that affect blood pressure as needed [see Warnings and Precautions (5.7) ] . (Iloperidone label, Drug interactions)

  • Erythromycinmacrolide antibioticMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • EscitalopramSSRIMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • 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)

  • FingolimodimmunosuppressantMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • FlecainideantiarrhythmicMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Fluconazoleazole antifungalMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • FluoxetineSSRIMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • FosfomycinantibioticMajor

    Avoid co-administration of CONTEPO with drugs known to prolong the QT interval. (Fosfomycin label, Drug interactions)

  • GabapentinanticonvulsantMajor

    • Respiratory Depression: May occur with NEURONTIN when used with concomitant central nervous system (CNS) depressants, including opioids, or in the setting of underlying respiratory impairment. (Gabapentin label, Warnings and precautions)

  • GranisetronQT-prolonging drugMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • HaloperidolantipsychoticMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • 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)

  • 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)

  • HydroxychloroquineQT-prolonging drugMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • HydroxyzineantihistamineMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • IvabradineMajor

    Bradycardia may increase the risk of QT prolongation which may lead to severe ventricular arrhythmias, including torsade de pointes, especially in patients with risk factors such as use of QTc prolonging drugs [see Adverse Reactions ( 6.2 )] . (Ivabradine label, Warnings and precautions)

  • 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

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Labetalolbeta blockerMajor

    Avoid coadministration of FANAPT with alpha-adrenergic blocking agents and adjust medications that affect blood pressure as needed [see Warnings and Precautions (5.7) ] . (Iloperidone label, Drug interactions)

  • LevocetirizineantihistamineMajor

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

  • LevofloxacinfluoroquinoloneMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • 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)

  • LoperamideQT-prolonging drugMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • 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)

  • LumateperoneantipsychoticMajor

    Agranulocytosis (including fatal cases) has been reported with other antipsychotic drugs. (Lumateperone 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)

  • MethadoneopioidMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Metoclopramidedopamine antagonistMajor

    • Tardive Dyskinesia (TD), Other Extrapyramidal Symptoms (EPS), and Neuroleptic Malignant Syndrome (NMS) : Avoid concomitant use of other drugs known to cause TD/EPS/NMS and avoid use in patients with Parkinson’s Disease. (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 ResuscitationOnly 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)

  • MirtazapineantidepressantMajor

    Examples diazepam, alprazolam, alcohol Drugs that Prolong QTc Interval Clinical Impact The concomitant use of other drugs which prolong the QTc interval with REMERON/REMERONSolTab, increase the risk of QT prolongation and/or ventricular arrhythmias (e.g., Torsades de Pointes). (Mirtazapine label, Drug interactions)

  • 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)

  • MoxifloxacinfluoroquinoloneMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • 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)

  • Nirmatrelvir and ritonavirantiviralMajor

    Neuropsychiatric agents suvorexant ↑ suvorexant Avoid concomitant use of suvorexant with PAXLOVID. aripiprazole, brexpiprazole, cariprazine, iloperidone, lumateperone, pimavanserin ↑ aripiprazole ↑ brexpiprazole ↑ cariprazine ↑ iloperidone ↑ lumateperone ↑ pimavanserin Dosage adjustment of aripiprazole, brexpiprazole, cariprazine, iloperidone, lumateperone, and… (Nirmatrelvir and ritonavir label, Drug interactions)

  • OfloxacinfluoroquinoloneMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • OlanzapineantipsychoticMajor

    Cerebrovascular Adverse Reactions, Including Stroke, in Elderly Patients with Dementia-Related Psychosis In placebo-controlled trials in elderly subjects with dementia, patients randomized to risperidone, aripiprazole, and olanzapine had a higher incidence of stroke and transient ischemic attack, including fatal stroke. (Iloperidone label, Warnings and precautions)

  • 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 spray ( 5.2 ). (Olopatadine label, Warnings and precautions)

  • OndansetronQT-prolonging drugMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • 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)

  • PaliperidoneantipsychoticMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Pentazocine and naloxoneopioidMajor

    …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)

  • 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)

  • PhenobarbitalbarbiturateMajor

    CNS depressants: Closely monitor for sedation and respiratory depression. (Phenobarbital label, Drug interactions)

  • PimavanserinantipsychoticMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • PitolisantQT-prolonging drugMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Posaconazoleazole antifungalMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Prazosinalpha blockerMajor

    Avoid coadministration of FANAPT with alpha-adrenergic blocking agents and adjust medications that affect blood pressure as needed [see Warnings and Precautions (5.7) ] . (Iloperidone label, Drug interactions)

  • PregabalinanticonvulsantMajor

    • Respiratory Depression : May occur with LYRICA when used with concomitant CNS depressants or in the setting of underlying respiratory impairment. (Pregabalin label, Warnings and precautions)

  • PromethazineantihistamineMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • PropafenoneantiarrhythmicMajor

    • Avoid use with other antiarrhythmic agents or drugs that prolong the QT interval. (Propafenone label, Warnings and precautions)

  • QuetiapineantipsychoticMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • RanolazineQT-prolonging drugMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • RifampinantibioticMajor

    …Concomitant use of clopidogrel and rifampin should be discouraged Increase active metabolite exposure and risk of bleeding Ticagrelor Prevention or Management: Avoid use Decrease exposure Antipsychotics Haloperidol Decrease plasma concentrations by 70% Lurasidone Prevention or Management : Concomitant use is contraindicated (See CONTRAINDICATIONS ) Decrease exposure… (Rifampin label, Drug interactions)

  • RisperidoneantipsychoticMajor

    Cerebrovascular Adverse Reactions, Including Stroke, in Elderly Patients with Dementia-Related Psychosis In placebo-controlled trials in elderly subjects with dementia, patients randomized to risperidone, aripiprazole, and olanzapine had a higher incidence of stroke and transient ischemic attack, including fatal stroke. (Iloperidone label, Warnings and precautions)

  • 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)

  • SertralineSSRIMajor

    Avoid the concomitant use of drugs known to prolong the QTc interval. (Sertraline label, Drug interactions)

  • Sodium oxybateCNS depressantMajor

    • Central Nervous System Depression Xyrem (sodium oxybate) is a CNS depressant. (Sodium oxybate label, Boxed warning)

  • SolifenacinanticholinergicMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Sotalolbeta blockerMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • TacrolimusimmunosuppressantMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Tamoxifenselective estrogen receptor modulatorMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Tamsulosinalpha blockerMajor

    Avoid coadministration of FANAPT with alpha-adrenergic blocking agents and adjust medications that affect blood pressure as needed [see Warnings and Precautions (5.7) ] . (Iloperidone label, Drug interactions)

  • 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)

  • TemazepambenzodiazepineMajor

    Prescribe the lowest effective dosage; avoid or minimize concomitant use of CNS depressants and other substances associated with abuse, misuse, and addiction (e.g., opioid analgesics, stimulants); and advise patients on the proper disposal of unused drug. (Temazepam label, Warnings)

  • Terazosinalpha blockerMajor

    Avoid coadministration of FANAPT with alpha-adrenergic blocking agents and adjust medications that affect blood pressure as needed [see Warnings and Precautions (5.7) ] . (Iloperidone label, Drug interactions)

  • TetrabenazineVMAT2 inhibitorMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • TolterodineanticholinergicMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • TramadolopioidMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • TrazodoneantidepressantMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • 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)

  • TrihexyphenidylanticholinergicMajor

    Neuroleptic Malignant Syndrome A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with dose reduction or Discontinuation of trihexyphenidyl. (Trihexyphenidyl label, Warnings)

  • ValbenazineVMAT2 inhibitorMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • VardenafilPDE5 inhibitorMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • VenlafaxineSNRIMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • Voriconazoleazole antifungalMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone 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)

  • ZiprasidoneantipsychoticMajor

    Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (Iloperidone label, Drug interactions)

  • 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 (147)

  • AclidiniumanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • AliskirenantihypertensiveModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone 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)

  • AmantadineanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Amiloridepotassium-sparing diureticModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Amlodipinedihydropyridine calcium channel blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Amlodipine and benazeprildihydropyridine calcium channel blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • AprepitantCYP3A4 inhibitorModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • Atenololbeta blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Azilsartanangiotensin II receptor blocker (ARB)Moderate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Baclofenmuscle relaxantModerate

    Patients should also be cautioned that the central nervous system depressant effects of intrathecal baclofen may be additive to those of alcohol and other CNS depressants. (Baclofen label, Warnings and precautions)

  • BenazeprilACE inhibitorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • BenztropineanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Bictegravir, emtricitabine, and tenofovir alafenamideantiretroviralModerate

    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)

  • Bisoprololbeta blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Bisoprolol and hydrochlorothiazidebeta blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Brimonidinealpha-adrenergic agonistModerate

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

  • Buprenorphine and naloxoneopioidModerate

    Warn patients of the potential danger of self-administration of benzodiazepines or other CNS depressants while under treatment with buprenorphine and naloxone sublingual tablets [see Warnings and Precautions (5.3) , Drug Interactions (7) ] . (Buprenorphine and naloxone label, Warnings and precautions)

  • BupropionantidepressantModerate

    Table 7: Clinically Important Drug Interactions with FANAPT Strong CYP2D6 Inhibitors Clinical Impact Coadministration of fluoxetine with iloperidone increased exposure (area under curve, [AUC]) of iloperidone and its metabolite P88, by about 2- to 3- fold, and decreased the AUC of its metabolite P95 by one-half [see Clinical Pharmacology (12.3 , 12.5) ] . (Iloperidone label, Drug interactions)

  • 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, acetaminophen, and caffeinebarbiturateModerate

    Butalbital, acetaminophen and caffeine may enhance the effects of: other narcotic analgesics, alcohol, general anesthetics, tranquilizers such as chlordiazepoxide, sedative-hypnotics, or other CNS depressants, causing increased CNS depression. (Butalbital, acetaminophen, and caffeine label, Drug interactions)

  • Candesartanangiotensin II receptor blocker (ARB)Moderate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Cannabidiol (prescription)anticonvulsantModerate

    Other CNS depressants, including alcohol, could potentiate the somnolence and sedation effect of EPIDIOLEX. (Cannabidiol (prescription) label, Warnings and precautions)

  • CaptoprilACE inhibitorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Carbidopa and levodopadopaminergic drugModerate

    Withdrawal-Emergent Hyperpyrexia and Confusion A symptom complex that resembles neuroleptic malignant syndrome (characterized by elevated temperature, muscular rigidity, altered consciousness, and autonomic instability), with no other obvious etiology, has been reported in association with rapid dose reduction, withdrawal of, or changes in dopaminergic therapy. (Carbidopa and levodopa label, Warnings and precautions)

  • CariprazineantipsychoticModerate

    VRAYLAR and other antipsychotic drugs should be used cautiously in patients at risk for aspiration. (Cariprazine label, Warnings and precautions)

  • Carisoprodolmuscle relaxantModerate

    • Additive sedative effects when used with other CNS depressants including alcohol (5.1) (Carisoprodol label, Warnings and precautions)

  • CenobamateanticonvulsantModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • ChlorpheniramineantihistamineModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Chlorthalidonethiazide diureticModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • CimetidineH2 blockerModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • CyclopentolateanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • CyclosporineimmunosuppressantModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • Dantrolenemuscle relaxantModerate

    Antipsychotics and Antianxiety Agents The concomitant administration of RYANODEX with antipsychotic and antianxiety agents may potentiate their effects on the central nervous system [see Warnings and Precautions ( 5.2 )] . (Dantrolene label, Drug interactions)

  • Daridorexantsedative-hypnoticModerate

    CNS-Depressant Effects and Daytime Impairment: Impairs alertness and motor coordination including morning impairment. (Daridorexant label, Warnings and precautions)

  • DarifenacinanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • DicyclomineanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Digoxindigitalis glycosideModerate

    …FANAPT should be avoided in combination with other drugs that are known to prolong QTc including Class 1A (e.g., quinidine, procainamide) or Class III (e.g., amiodarone, sotalol) antiarrhythmic medications, antipsychotic medications (e.g., chlorpromazine, thioridazine), antibiotics (e.g., gatifloxacin, moxifloxacin), or any other class of medications known to… (Iloperidone label, Warnings and precautions)

  • Diltiazemcalcium channel blockerModerate

    …FANAPT should be avoided in combination with other drugs that are known to prolong QTc including Class 1A (e.g., quinidine, procainamide) or Class III (e.g., amiodarone, sotalol) antiarrhythmic medications, antipsychotic medications (e.g., chlorpromazine, thioridazine), antibiotics (e.g., gatifloxacin, moxifloxacin), or any other class of medications known to… (Iloperidone label, Warnings and precautions)

  • DimenhydrinateantihistamineModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • DiphenhydramineantihistamineModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Doxepintricyclic antidepressantModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • DoxylamineantihistamineModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • DronabinolcannabinoidModerate

    Concomitant use of other drugs that cause dizziness, confusion, sedation, or somnolence such as CNS depressants may increase this effect (e.g., barbiturates, benzodiazepines, lithium, opioids, buspirone, scopolamine, antihistamines, tricyclic antidepressants, other anticholinergic agents, and muscle relaxants). (Dronabinol label, Warnings and precautions)

  • DroxidopasympathomimeticModerate

    Observe patients carefully when the dosage of NORTHERA is changed or when concomitant levodopa is reduced abruptly or discontinued, especially if the patient is receiving neuroleptics. (Droxidopa label, Warnings and precautions)

  • DuloxetineSNRIModerate

    Table 7: Clinically Important Drug Interactions with FANAPT Strong CYP2D6 Inhibitors Clinical Impact Coadministration of fluoxetine with iloperidone increased exposure (area under curve, [AUC]) of iloperidone and its metabolite P88, by about 2- to 3- fold, and decreased the AUC of its metabolite P95 by one-half [see Clinical Pharmacology (12.3 , 12.5) ] . (Iloperidone label, Drug interactions)

  • EnalaprilACE inhibitorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Eplerenonealdosterone antagonistModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Esmololbeta blockerModerate

    …FANAPT should be avoided in combination with other drugs that are known to prolong QTc including Class 1A (e.g., quinidine, procainamide) or Class III (e.g., amiodarone, sotalol) antiarrhythmic medications, antipsychotic medications (e.g., chlorpromazine, thioridazine), antibiotics (e.g., gatifloxacin, moxifloxacin), or any other class of medications known to… (Iloperidone label, Warnings and precautions)

  • Ethacrynic acidloop diureticModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • EverolimusimmunosuppressantModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • Felodipinedihydropyridine calcium channel blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • FesoterodineanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • FlibanserinCNS depressantModerate

    Exacerbated by other CNS depressants, and in settings where flibanserin concentrations are increased. (Flibanserin label, Warnings and precautions)

  • FluvoxamineSSRIModerate

    CNS Active Drugs Antipsychotics: See Warnings and Precautions ( 5.2 ) . (Fluvoxamine label, Drug interactions)

  • Formoterolbeta-adrenergic agonistModerate

    …Antidepressants, QTc Prolonging Drugs Formoterol, as with other beta 2 -agonists, should be administered with extreme caution to patients being treated with monoamine oxidase inhibitors, tricyclic antidepressants, or drugs known to prolong the QTc interval because the effect of adrenergic agonists on the cardiovascular system may be potentiated by these agents. (Formoterol label, Drug interactions)

  • FosinoprilACE inhibitorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Furosemideloop diureticModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • GlimepiridesulfonylureaModerate

    …medications that may reduce the glucose-lowering effect of sulfonylureas including glimepiride, leading to worsening glycemic control: danazol, glucagon, somatropin, protease inhibitors, atypical antipsychotic medications (e.g., olanzapine and clozapine), barbiturates, diazoxide, laxatives, rifampin, thiazides and other diuretics, corticosteroids, phenothiazines, thyroid… (Glimepiride label, Drug interactions)

  • GlipizidesulfonylureaModerate

    The following are examples of medication that may reduce the glucose-lowering effect of GLUCOTROL XL, leading to worsening glycemic control: atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease… (Glipizide label, Drug interactions)

  • GlycopyrrolateanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Guanfacinealpha-adrenergic agonistModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • HydralazinevasodilatorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Hydrochlorothiazidethiazide diureticModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • HyoscyamineanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • ImatinibCYP3A4 inhibitorModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • Indapamidethiazide diureticModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Insulin aspartinsulinModerate

    Drugs That May Decrease the Blood Glucose Lowering Effect of Insulin Aspart Drugs: Atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g.,… (Insulin aspart label, Drug interactions)

  • Insulin degludecinsulinModerate

    Drugs That May Decrease the Blood Glucose Lowering Effect of Insulin Degludec Drugs: Atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g.,… (Insulin degludec label, Drug interactions)

  • Insulin detemirinsulinModerate

    Drugs That May Decrease the Blood Glucose Lowering Effect of LEVEMIR Drugs: Atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol,… (Insulin detemir label, Drug interactions)

  • Insulin glargineinsulinModerate

    Drugs that May Decrease the Blood Glucose Lowering Effect of Insulin Glargine-yfgn Drugs: Atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents… (Insulin glargine label, Drug interactions)

  • Insulin lisproinsulinModerate

    Drugs That May Decrease the Blood Glucose Lowering Effect of LYUMJEV Drugs: Atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol,… (Insulin lispro label, Drug interactions)

  • IpratropiumanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Irbesartanangiotensin II receptor blocker (ARB)Moderate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • IsoniazidantibioticModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • Isosorbide dinitrate and hydralazinenitrateModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Isradipinedihydropyridine calcium channel blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Itraconazoleazole antifungalModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • IvacaftorCYP3A4 inhibitorModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • Lemborexantsedative-hypnoticModerate

    CNS Depressant Effects and Daytime Impairment: Impairs alertness and motor coordination including morning impairment. (Lemborexant label, Warnings and precautions)

  • Lidocainelocal anestheticModerate

    …FANAPT should be avoided in combination with other drugs that are known to prolong QTc including Class 1A (e.g., quinidine, procainamide) or Class III (e.g., amiodarone, sotalol) antiarrhythmic medications, antipsychotic medications (e.g., chlorpromazine, thioridazine), antibiotics (e.g., gatifloxacin, moxifloxacin), or any other class of medications known to… (Iloperidone label, Warnings and precautions)

  • Lidocaine and prilocainelocal anestheticModerate

    …FANAPT should be avoided in combination with other drugs that are known to prolong QTc including Class 1A (e.g., quinidine, procainamide) or Class III (e.g., amiodarone, sotalol) antiarrhythmic medications, antipsychotic medications (e.g., chlorpromazine, thioridazine), antibiotics (e.g., gatifloxacin, moxifloxacin), or any other class of medications known to… (Iloperidone label, Warnings and precautions)

  • LisinoprilACE inhibitorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Lisinopril and hydrochlorothiazideACE inhibitorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Lithiumserotonergic drugModerate

    • Encephalopathic Syndrome: Increased risk in patients treated with lithium and an antipsychotic. (Lithium label, Warnings and precautions)

  • Lofexidinealpha-adrenergic agonistModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Losartanangiotensin II receptor blocker (ARB)Moderate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Losartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • LurasidoneantipsychoticModerate

    LATUDA and other antipsychotic drugs should be used cautiously in patients at risk for aspiration pneumonia. (Lurasidone label, Warnings and precautions)

  • MeclizineantihistamineModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Methocarbamolmuscle relaxantModerate

    CNS Depressants and Alcohol Use ATMEKSI may potentiate the effects of CNS (central nervous system) depressants and alcohol. (Methocarbamol label, Warnings and precautions)

  • MethyldopaantihypertensiveModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Metolazonethiazide diureticModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Metoprololbeta blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • MetronidazoleantibioticModerate

    Drugs that Prolong the QT Interval QT prolongation has been reported, particularly when metronidazole was administered with drugs with the potential for prolonging the QT interval. (Metronidazole label, Drug interactions)

  • MinoxidilvasodilatorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Mirabegronbeta-adrenergic agonistModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • MoexiprilACE inhibitorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Nadololbeta blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone 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

    Table 7: Clinically Important Drug Interactions with FANAPT Strong CYP2D6 Inhibitors Clinical Impact Coadministration of fluoxetine with iloperidone increased exposure (area under curve, [AUC]) of iloperidone and its metabolite P88, by about 2- to 3- fold, and decreased the AUC of its metabolite P95 by one-half [see Clinical Pharmacology (12.3 , 12.5) ] . (Iloperidone label, Drug interactions)

  • Nebivololbeta blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Nicardipinedihydropyridine calcium channel blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Nifedipinedihydropyridine calcium channel blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Nisoldipinedihydropyridine calcium channel blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Nortriptylinetricyclic antidepressantModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Olmesartanangiotensin II receptor blocker (ARB)Moderate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • OxybutyninanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • PalbociclibCYP3A4 inhibitorModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • ParoxetineSSRIModerate

    Coadministration of paroxetine with iloperidone resulted in increased mean steady-state peak concentrations of iloperidone and its metabolite P88, by about 1.6- fold, and decreased mean steady-state peak concentrations of its metabolite P95 by one-half [see Clinical Pharmacology (12.3 , 12.5) ] . (Iloperidone label, Drug interactions)

  • PerampanelanticonvulsantModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • PerindoprilACE inhibitorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Phentermine and topiramateCNS stimulantModerate

    The concomitant use of alcohol or central nervous system (CNS) depressant drugs with phentermine and topiramate extended-release capsules may potentiate CNS depression or other centrally mediated effects of these agents, such as dizziness, cognitive adverse reactions, drowsiness, light-headedness, impaired coordination, and somnolence. (Phentermine and topiramate label, Warnings and precautions)

  • Pindololbeta blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Pramipexoledopamine agonistModerate

    Hyperpyrexia and Confusion Although not reported with pramipexole in the clinical development program, a symptom complex resembling the neuroleptic malignant syndrome (characterized by elevated temperature, muscular rigidity, altered consciousness, and autonomic instability), with no other obvious etiology, has been reported in association with rapid dose reduction,… (Pramipexole label, Warnings and precautions)

  • ProchlorperazineantipsychoticModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • PropofolCNS depressantModerate

    As with other sedative medications, there is wide interpatient variability in DIPRIVAN dosage requirements, and these requirements may change with time. (Propofol label, Warnings and precautions)

  • Propranololbeta blockerModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • QuinaprilACE inhibitorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Ramelteonsedative-hypnoticModerate

    The use of alcohol and other CNS depressants may increase the risk of such behaviors. (Ramelteon label, Warnings and precautions)

  • RamiprilACE inhibitorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • RasagilineMAO inhibitorModerate

    Withdrawal-Emergent Hyperpyrexia and Confusion A symptom complex resembling neuroleptic malignant syndrome (characterized by elevated temperature, muscular rigidity, altered consciousness, and autonomic instability), with no other obvious etiology, has been reported in association with rapid dose reduction, withdrawal of, or changes in drugs that increase central… (Rasagiline label, Warnings and precautions)

  • Ropiniroledopamine agonistModerate

    Withdrawal-Emergent Hyperpyrexia and Confusion A symptom complex resembling the neuroleptic malignant syndrome (characterized by elevated temperature, muscular rigidity, altered consciousness, and autonomic instability), with no other obvious etiology, has been reported in association with rapid dose reduction of, withdrawal of, or changes in, dopaminergic therapy. (Ropinirole label, Warnings and precautions)

  • Sacubitril and valsartanangiotensin II receptor blocker (ARB)Moderate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • ScopolamineanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • SelegilineMAO inhibitorModerate

    Withdrawal Emergent Hyperpyrexia and Confusion Although not reported with ZELAPAR in the clinical development program, a symptom complex resembling the neuroleptic malignant syndrome (characterized by elevated temperature, muscular rigidity, altered consciousness, and autonomic instability), with no other obvious etiology, has been reported in association with… (Selegiline label, Warnings and precautions)

  • Spironolactonealdosterone antagonistModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Spironolactone and hydrochlorothiazidealdosterone antagonistModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Suvorexantsedative-hypnoticModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • Telmisartanangiotensin II receptor blocker (ARB)Moderate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • TerbinafineantifungalModerate

    Table 7: Clinically Important Drug Interactions with FANAPT Strong CYP2D6 Inhibitors Clinical Impact Coadministration of fluoxetine with iloperidone increased exposure (area under curve, [AUC]) of iloperidone and its metabolite P88, by about 2- to 3- fold, and decreased the AUC of its metabolite P95 by one-half [see Clinical Pharmacology (12.3 , 12.5) ] . (Iloperidone label, Drug interactions)

  • TheophyllinemethylxanthineModerate

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

  • Ticagrelorantiplatelet agentModerate

    The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (Iloperidone label, Drug interactions)

  • TiotropiumanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Tizanidinemuscle relaxantModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • TopiramateanticonvulsantModerate

    Because of the potential of topiramate to cause CNS depression, as well as other cognitive and/or neuropsychiatric adverse reactions, TROKENDI XR should be used with extreme caution if used in combination with alcohol and other CNS depressants [see Contraindications (4) and Warnings and Precautions (5.7) ]. (Topiramate label, Drug interactions)

  • Torsemideloop diureticModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • TrandolaprilACE inhibitorModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • TranylcypromineMAO inhibitorModerate

    Excessive reduction of blood glucose (additive effect) f CNS depressant agents (including opioids, alcohol, sedatives, hypnotics) Use with caution d Increased CNS depression Dietary supplements containing sympathomimetics Contraindicated a Antidepressants including but not limited to: Other MAOIs (e.g., linezolid, intravenous methylene blue, selective MAOIs)… (Tranylcypromine label, Drug interactions)

  • Triamterenepotassium-sparing diureticModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Triamterene and hydrochlorothiazidepotassium-sparing diureticModerate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • TrospiumanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Umeclidinium and vilanterolanticholinergicModerate

    Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic medications may contribute to an elevation in core body temperature; use FANAPT with caution in patients who may experience these conditions. (Iloperidone label, Warnings and precautions)

  • Valsartanangiotensin II receptor blocker (ARB)Moderate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Valsartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate

    Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

  • Verapamilcalcium channel blockerModerate

    …FANAPT should be avoided in combination with other drugs that are known to prolong QTc including Class 1A (e.g., quinidine, procainamide) or Class III (e.g., amiodarone, sotalol) antiarrhythmic medications, antipsychotic medications (e.g., chlorpromazine, thioridazine), antibiotics (e.g., gatifloxacin, moxifloxacin), or any other class of medications known to… (Iloperidone label, Warnings and precautions)

  • ZonisamideanticonvulsantModerate

    Patients should be carefully observed for signs of central nervous system (CNS) depression, such as somnolence and sedation, when ZONISADE is used with other drugs with sedative properties because of potential additive effects. (Zonisamide label, Warnings and precautions)

Minor mentions (6)

  • Atomoxetinenorepinephrine reuptake inhibitorMinor

    Some cases presented with features resembling neuroleptic malignant syndrome. (Atomoxetine label, Drug interactions)

  • BrexpiprazoleantipsychoticMinor

    Seizures Like other antipsychotic drugs, FANAPT may cause seizures. (Iloperidone label, Warnings and precautions)

  • Epoetin alfaMinor

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

  • Insulin regular (human)insulinMinor

    Atypical Antipsychotics (e.g., olanzapine and clozapine), Corticosteroids, Danazol, Diuretics, Estrogens, Glucagon, Isoniazid, Niacin, Oral Contraceptives, Phenothiazines, Progestogens (e.g., in oral contraceptives), Protease inhibitors, Somatropin, Sympathomimetic Agents (e.g., albuterol, epinephrine, terbutaline) and Thyroid Hormones. (Insulin regular (human) label, Drug interactions)

  • RepaglinidemeglitinideMinor

    Examples: Atypical antipsychotics (e.g., olanzapine and clozapine), calcium channel antagonists, corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline), and… (Repaglinide label, Drug interactions)

  • TiagabineanticonvulsantMinor

    In most cases, patients were using concomitant medications (antidepressants, antipsychotics, stimulants, narcotics) that are thought to lower the seizure threshold. (Tiagabine label, Warnings)

No significant interaction reported (1)

  • 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)

Check Iloperidone against everything you take. Add your full list; every pair is checked at once.

Open in the checker

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.