Desvenlafaxine interactions

Serotonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (Acetaminophen and codeine label, Precautions)

However, as with all CNS-active drugs, patients should be advised to avoid alcohol consumption while taking PRISTIQ. (Desvenlafaxine label, Drug interactions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Serotonin Syndrome: Increased risk when co-administered with serotonergic agents (e.g., SSRIs, SNRIs, triptans), but also during overdosage situations. (Amphetamine label, Warnings and precautions)

Discontinue treatment with ADDERALL XR and any concomitant serotonergic agents immediately if symptoms of serotonin syndrome occur, and initiate supportive symptomatic treatment. (Amphetamine and dextroamphetamine label, Warnings and precautions)

Serotonin Syndrome Serotonin-norepinephrine reuptake inhibitors (SNRIs) and selective-serotonin reuptake inhibitors (SSRIs), including PRISTIQ, can precipitate serotonin syndrome, a potentially life-threatening condition. (Desvenlafaxine label, Warnings and precautions)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (Belladonna and opium label, Drug interactions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (Buprenorphine label, Drug interactions)

Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (Buprenorphine and naloxone label, Drug interactions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (Butalbital, acetaminophen, caffeine, and codeine label, Drug interactions)

Intervention: Avoid concomitant use Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (Butalbital, aspirin, caffeine, and codeine label, Drug interactions)

…medical attention if they ‎experience symptoms of hyperalgesia, including worsening pain, increased ‎sensitivity to pain, or new pain [see WARNINGS ; ADVERSE REACTIONS ].‎ Serotonin Syndrome Inform patients that butorphanol tartrate could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (Butorphanol label, Precautions)

Known hypersensitivity to tricyclic antidepressants ( 4 ) (Carbamazepine label, Contraindications)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (Codeine label, Drug interactions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Serotonergic Drugs The concomitant use of dextroamphetamine sulfate and serotonergic drugs increases the risk of serotonin syndrome. (Dextroamphetamine label, Drug interactions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (Dronedarone label, Contraindications)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Anticoagulants, Antiplatelets, Thrombolytics, and Selective Serotonin Reuptake Inhibitors (SSRIs)/Serotonin Norepinephrine Reuptake Inhibitors (SNRIs): Avoid concomitant use due to increased risk of bleeding. (Edoxaban label, Drug interactions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome : Potentially life-threatening condition could result from concomitant serotonergic drug administration. (Fentanyl label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

THESE ARE MOST FREQUENT IN PATIENTS WHO HAVE BEEN ON BENZODIAZEPINES FOR LONG-TERM SEDATION OR IN OVERDOSE CASES WHERE PATIENTS ARE SHOWING SIGNS OF SERIOUS CYCLIC ANTIDEPRESSANT OVERDOSE. (Flumazenil label, Boxed warning)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Example: lactulose Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (Hydrocodone label, Drug interactions)

Serotonin Syndrome Inform patients that hydrocodone bitartrate and acetaminophen tablets could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (Hydrocodone and acetaminophen label, Precautions)

Serotonergic drugs : Concomitant use may result in serotonin syndrome. (Hydrocodone and chlorpheniramine label, Drug interactions)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (Hydrocodone and homatropine label, Drug interactions)

S er otonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (Hydrocodone and ibuprofen label, Precautions)

• Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (Hydromorphone label, Drug interactions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• The use of MAOIs intended to treat psychiatric disorders with PRISTIQ or within 7 days of stopping treatment with PRISTIQ is contraindicated because of an increased risk of serotonin syndrome. (Desvenlafaxine label, Contraindications)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Serotonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (Levorphanol label, Precautions)

• Starting PRISTIQ in a patient who is being treated with MAOIs such as linezolid or intravenous methylene blue is also contraindicated because of an increased risk of serotonin syndrome [see Dosage and Administration (2.8) and Warnings and Precautions (5.2) ]. (Desvenlafaxine label, Contraindications)

Serotonin Syndrome: Increased risk when co-administered with serotonergic agents (e.g., SSRIs, SNRIs, triptans), but also during overdosage situations. (Lisdexamfetamine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

LOREEV XR should not be used in such patients without adequate antidepressant therapy. (Lorazepam label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Serotonin syndrome has resulted from concomitant use of metaxalone (within the recommended dosage range) and other serotonergic drugs [see Warnings and Precautions (5.1) ]. (Metaxalone label, Drug interactions)

Serotonin Syndrome : Potentially life-threatening condition could result from concomitant serotonergic drug administration. (Methadone label, Warnings and precautions)

Serotonin Syndrome: Increased risk when coadministered with serotonergic agents (e.g., SSRIs, SNRIs, triptans), but also during overdosage situations. (Methamphetamine label, Warnings and precautions)

• Starting PRISTIQ in a patient who is being treated with MAOIs such as linezolid or intravenous methylene blue is also contraindicated because of an increased risk of serotonin syndrome [see Dosage and Administration (2.8) and Warnings and Precautions (5.2) ]. (Desvenlafaxine label, Contraindications)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (Morphine label, Drug interactions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (Oliceridine label, Drug interactions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Serotonergic Drug s: Concomitant use may result in serotonin syndrome. (Oxycodone label, Drug interactions)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (Oxymorphone label, Drug interactions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Serotonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (Pentazocine and naloxone label, Precautions)

• The use of MAOIs intended to treat psychiatric disorders with PRISTIQ or within 7 days of stopping treatment with PRISTIQ is contraindicated because of an increased risk of serotonin syndrome. (Desvenlafaxine label, Contraindications)

…prolong, or intensify the sedative action of other central-nervous-system depressants, such as alcohol, sedatives/hypnotics (including barbiturates), narcotics, narcotic analgesics, general anesthetics, tricyclic antidepressants, and tranquilizers; therefore, such agents should be avoided or administered in reduced dosage to patients receiving promethazine HCl. (Promethazine label, Drug interactions)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (Promethazine and codeine label, Drug interactions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• The use of MAOIs intended to treat psychiatric disorders with PRISTIQ or within 7 days of stopping treatment with PRISTIQ is contraindicated because of an increased risk of serotonin syndrome. (Desvenlafaxine label, Contraindications)

• Serotonin Syndrome : Potentially life-threatening condition could result from concomitant serotonergic drug administration. (Remifentanil label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• The use of MAOIs intended to treat psychiatric disorders with PRISTIQ or within 7 days of stopping treatment with PRISTIQ is contraindicated because of an increased risk of serotonin syndrome. (Desvenlafaxine label, Contraindications)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Combining St. John's wort with antidepressants and other serotonergic drugs increases the risk of serotonin syndrome. (NCCIH, St. John's Wort)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• The use of MAOIs intended to treat psychiatric disorders with PRISTIQ or within 7 days of stopping treatment with PRISTIQ is contraindicated because of an increased risk of serotonin syndrome. (Desvenlafaxine label, Contraindications)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Hypersensitivity to desvenlafaxine succinate, venlafaxine hydrochloride or to any excipients in the PRISTIQ formulation. (Desvenlafaxine label, Contraindications)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

Serotonin Syndrome Serotonin-norepinephrine reuptake inhibitors (SNRIs) and selective-serotonin reuptake inhibitors (SSRIs), including PRISTIQ, can precipitate serotonin syndrome, a potentially life-threatening condition. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Serotonin Syndrome : Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Ziprasidone label, Warnings and precautions)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Monoamine oxidase inhibitors and tricyclic antidepressants: Use with extreme caution. (Albuterol label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Table 5: Amiodarone Drug Interactions Concomitant Drug Class/Name Examples Clinical Comment QT Prolonging Drugs class I and III antiarrhythmics, lithium, certain phenothiazines, tricyclic antidepressants, certain fluoroquinolone and macrolide antibiotics, azole antifungals, halogenated inhalation anesthetic agents Increased risk of Torsade de Pointes. (Amiodarone label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

MAO inhibitors, tricyclic antidepressants and drugs that prolong the QTc interval may potentiate effect on the cardiovascular system. (Arformoterol label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. (Desvenlafaxine label, Warnings and precautions)

The administration of local anesthetic solutions containing epinephrine to patients receiving monoamine oxidase inhibitors, nonselective beta-adrenergic antagonists, or tricyclic antidepressants may produce severe, prolonged hypertension. (Articaine and epinephrine label, Drug interactions)

Examples NSAIDs, aspirin, and warfarin Drugs that are Primarily Metabolized by CYP2D6 Clinical Impact Concomitant use of PRISTIQ increases C max and AUC of a drug primarily metabolized by CYP2D6 which may increase the risk of toxicity of the CYP2D6 substrate drug [see Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Drug interactions)

Examples NSAIDs, aspirin, and warfarin Drugs that are Primarily Metabolized by CYP2D6 Clinical Impact Concomitant use of PRISTIQ increases C max and AUC of a drug primarily metabolized by CYP2D6 which may increase the risk of toxicity of the CYP2D6 substrate drug [see Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Caution is advised in patients taking tricyclic antidepressants which can affect the metabolism and uptake of circulating amines. (Brimonidine label, Drug interactions)

Caution, however, is advised in patients taking tricyclic antidepressants which can affect the metabolism and uptake of circulating amines. (Brimonidine and timolol label, Drug interactions)

Monoamine oxidase inhibitors and tricyclic antidepressants: Use with extreme caution. (Budesonide and formoterol label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

…Interactions with MARCAINE WITH EPINEPHRINE Risk of Severe, Persistent Hypertension Due to Drug Interactions Between MARCAINE WITH EPINEPHRINE and Monoamine Oxidase Inhibitors and Tricyclic Antidepressants Administration of MARCAINE WITH EPINEPHRINE (containing a vasoconstrictor) in patients receiving monoamine oxidase inhibitors (MAOI) or tricyclic antidepressants may… (Bupivacaine label, Warnings and precautions)

…Interactions with MARCAINE WITH EPINEPHRINE Risk of Severe, Persistent Hypertension Due to Drug Interactions Between MARCAINE WITH EPINEPHRINE and Monoamine Oxidase Inhibitors and Tricyclic Antidepressants Administration of MARCAINE WITH EPINEPHRINE (containing a vasoconstrictor) in patients receiving monoamine oxidase inhibitors (MAOI) or tricyclic antidepressants may… (Bupivacaine and epinephrine label, Warnings and precautions)

…hydrochloride extended-release tablets (XL), concurrent administration of bupropion hydrochloride extended-release tablets (XL) and agents that lower the seizure threshold (e.g., other bupropion products, antipsychotics, antidepressants, theophylline, or systemic corticosteroids) should be undertaken only with extreme caution [see Warnings and Precautions (5.3)] . (Bupropion label, Drug interactions)

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. (Desvenlafaxine label, Warnings and precautions)

Examples NSAIDs, aspirin, and warfarin Drugs that are Primarily Metabolized by CYP2D6 Clinical Impact Concomitant use of PRISTIQ increases C max and AUC of a drug primarily metabolized by CYP2D6 which may increase the risk of toxicity of the CYP2D6 substrate drug [see Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Tricyclic antidepressants: risk of hypertension and dyskinesia reported during concomitant use with carbidopa/levodopa ( 7.4 ) (Carbidopa, levodopa, and entacapone label, Drug interactions)

Since the sedative effects of carisoprodol and other CNS depressants (e.g., alcohol, benzodiazepines, opioids, tricyclic antidepressants) may be additive, appropriate caution should be exercised with patients who take more than one of these CNS depressants simultaneously. (Carisoprodol label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Drug Interactions The administration of local anesthetic solutions containing epinephrine or norepinephrine to patients receiving monoamine oxidase inhibitors, tricyclic antidepressants or phenothiazines may produce severe, prolonged hypotension or hypertension. (Chloroprocaine label, Precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (Cimetidine label, Drug interactions)

Dose adjustments may be required for concomitant medications that are predominantly metabolized by CYP2D6 (e.g., desipramine, metoprolol, and carvedilol) and particularly those with a narrow therapeutic index (e.g., flecainide and most tricyclic antidepressants) [see Clinical Pharmacology ( 12.3 )] . (Cinacalcet label, Drug interactions)

…syndrome, uncorrected electrolyte imbalance, such as hypokalemia or hypomagnesemia and cardiac disease, such as heart failure, myocardial infarction, or bradycardia), and patients receiving Class IA antiarrhythmic agents (quinidine, procainamide), or Class III antiarrhythmic agents (amiodarone, sotalol), tricyclic antidepressants, macrolides, and antipsychotics. (Ciprofloxacin label, Warnings and precautions)

…Interactions The CNS-depressant action of the benzodiazepine class of drugs may be potentiated by alcohol, narcotics, barbiturates, nonbarbiturate hypnotics, antianxiety agents, the phenothiazines, thioxanthene and butyrophenone classes of antipsychotic agents, monoamine oxidase inhibitors and the tricyclic antidepressants, and by other anticonvulsant drugs. (Clonazepam label, Drug interactions)

Tricyclic antidepressants Clinical Implication Concomitant use of tricyclic antidepressants with clonidine can increase blood pressure and may counteract the hypotensive effects of clonidine. (Clonidine label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

The actions of the benzodiazepines may be potentiated by barbiturates, narcotics, phenothiazines, monoamine oxidase inhibitors or other antidepressants. (Clorazepate label, Drug interactions)

Sympathomimetics, postganglionic blocking agents, and tricyclic antidepressants: Concomitant administration may increase the risk of cardiovascular adverse reactions. (Cocaine label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Co-administration with other CNS depressants (e.g., benzodiazepines, opioids, tricyclic antidepressants, alcohol) increases the risk of CNS depression, which can cause daytime impairment. (Daridorexant label, Warnings and precautions)

Caution should be taken when darifenacin extended-release tablets is used concomitantly with medications that are predominantly metabolized by CYP2D6 and which have a narrow therapeutic window, such as flecainide, thioridazine and tricyclic antidepressants ( 7.2 ) (Darifenacin label, Drug interactions)

Antidepressants : Selective Serotonin Reuptake Inhibitors (SSRIs): paroxetine, sertraline ↓ paroxetine ↓ sertraline If either sertraline or paroxetine is initiated in patients receiving PREZISTA/ritonavir, dose titrating the SSRI based on a clinical assessment of antidepressant response is recommended. (Darunavir label, Drug interactions)

Antidepressants: Selective Serotonin Reuptake Inhibitors (SSRIs): e.g. paroxetine, sertraline SSRIs: effects unknown When co-administering with SSRIs, TCAs, or trazodone, careful dose titration of the antidepressant to the desired effect, including using the lowest feasible initial or maintenance dose, and monitoring for antidepressant response are recommended. (Darunavir and cobicistat label, Drug interactions)

…that may Increase Risk of Hyponatremia Concomitant administration of DESMODA with other drugs that may increase the risk of water intoxication with hyponatremia, (e.g., tricyclic antidepressants, selective serotonin re-uptake inhibitors, chlorpromazine, opiate analgesics, thiazide diuretics, NSAIDs, lamotrigine, sulfonylureas, particularly chlorpropamide, oxybutynin… (Desmopressin label, Drug interactions)

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. (Desvenlafaxine label, Warnings and precautions)

…be given to the pharmacology of the agents employed particularly with compounds that may potentiate or be potentiated by the action of Valium, such as phenothiazines, antipsychotics, anxiolytics/sedatives, hypnotics, anticonvulsants, narcotic analgesics, anesthetics, sedative antihistamines, narcotics, barbiturates, MAO inhibitors and other antidepressants. (Diazepam label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

…drugs including dicyclomine hydrochloride: amantadine, antiarrhythmic agents of Class I (e.g., quinidine), antihistamines, antipsychotic agents (e.g., phenothiazines), benzodiazepines, MAO inhibitors, narcotic analgesics (e.g., meperidine), nitrates and nitrites, sympathomimetic agents, tricyclic antidepressants, and other drugs having anticholinergic activity. (Dicyclomine label, Drug interactions)

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

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)

Possible pharmacodynamic interactions can occur between droperidol and potentially arrhythmogenic agents such as class I or III antiarrhythmics, antihistamines that prolong the QT interval, antimalarials, calcium channel blockers, neuroleptics that prolong the QT interval, and antidepressants. (Droperidol label, Drug interactions)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (Efavirenz label, Drug interactions)

Antidepressants: Bupropion ↓ bupropion Increases in bupropion dosage should be guided by clinical response. (Efavirenz, lamivudine, and tenofovir label, Drug interactions)

Antidepressants: Selective Serotonin Reuptake Inhibitors (SSRIs) e.g., paroxetine Tricyclic Antidepressants (TCAs) e.g., amitriptyline desipramine imipramine nortriptyline bupropion trazodone ↑ SSRIs (except sertraline) ↑ TCAs ↑ trazodone Careful dosage titration of the antidepressant and monitoring for antidepressant response are recommended when coadministered… (Elvitegravir, cobicistat, emtricitabine, and tenofovir label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Drugs that potentiate the effects of epinephrine include sympathomimetics, beta blockers, tricyclic antidepressants, MAO inhibitors, COMT inhibitors, clonidine, doxapram, oxytocin, levothyroxine sodium, and certain antihistamines. (Epinephrine label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. (Desvenlafaxine label, Warnings and precautions)

Additive effects occur with concomitant use of other CNS depressants (e.g., benzodiazepines, opioids, tricyclic antidepressants, alcohol), including daytime use. (Eszopiclone label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Monoamine oxidase inhibitors and tricyclic antidepressants: Use with extreme caution. (Fluticasone and salmeterol label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• MAO inhibitors, tricyclic antidepressants and drugs that prolong QTc interval may potentiate effect on the cardiovascular system. (Formoterol label, Drug interactions)

Antidepressant: Paroxetine, trazodone ↓ Paroxetine Any paroxetine dose adjustment should be guided by clinical effect (tolerability and efficacy). ↑ Trazodone Adverse events of nausea, dizziness, hypotension, and syncope have been observed following coadministration of trazodone and ritonavir. (Fosamprenavir label, Drug interactions)

…prolongation and the potential for torsades de pointes, the use of FOSCAVIR should be avoided in combination with agents known to prolong the QT interval including Class IA (e.g., quinidine or procainamide) or Class III (e.g., dofetilide, amiodarone, sotalol) antiarrhythmic agents, phenothiazines, tricyclic antidepressants, and certain macrolides and fluoroquinolones. (Foscarnet label, Drug interactions)

Avoid co-administration of CONTEPO with drugs known to prolong the QT interval, such as class IA or class III antiarrhythmic medications, tricyclic antidepressants, macrolides, and antipsychotics [see Warnings and Precautions ( 5.2 )] . (Fosfomycin label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

…Ethosuximide, felbamate, oxcarbazepine, methsuximide, topiramate Azoles Fluconazole, ketoconazole, itraconazole, miconazole, voriconazole Antineoplastic agents Capecitabine, fluorouracil Antidepressants Fluoxetine, fluvoxamine, sertraline Gastric acid reducing agents H 2 antagonists (cimetidine), omeprazole Sulfonamides Sulfamethizole, sulfaphenazole, sulfadiazine,… (Fosphenytoin label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer (e.g., rifampicin, phenytoin, or tricyclic antidepressant) and resume IRESSA at 250 mg 7 days after discontinuation of the strong inducer [see Dosage and Administration (2.4) , Clinical Pharmacology (12.3) ] . (Gefitinib label, Drug interactions)

Other Anticholinergic Drugs There is potential for an additive interaction between glycopyrrolate and concomitantly used anticholinergic drugs (e.g., tricyclic antidepressants, anti-epileptics, class I antiarrhythmics, anti­-spasmodics, amantadine) resulting in increased anticholinergic adverse reactions. (Glycopyrrolate label, Drug interactions)

Plasma concentrations of CYP2D6 substrates (e,g. tricyclic antidepressants such as desipramine or imipramine) may increase when they are co-administered with haloperidol. (Haloperidol label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Monoamine Oxidase Inhibitors or Tricyclic Antidepressants Ipratropium Bromide and Albuterol Sulfate Inhalation Solution should be administered with extreme caution to patients being treated with monoamine oxidase inhibitors or tricyclic antidepressants, or within 2 weeks of discontinuation of such agents because the action of albuterol sulfate on the cardiovascular… (Ipratropium and albuterol label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

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)

SSRIs, Tricyclics and Related Antidepressants Venlafaxine Monitor for adverse reactions. (Itraconazole label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Co-administration with other CNS depressants (e.g., benzodiazepines, opioids, tricyclic antidepressants, alcohol) increases the risk of CNS depression, which can cause daytime impairment. (Lemborexant label, Warnings and precautions)

Monoamine oxidase inhibitors (MAOs) or tricyclic antidepressants : May potentiate effect of albuterol on the cardiovascular system. (Levalbuterol label, Drug interactions)

Antidepressant Therapy Concurrent use of tricyclic (e.g., amitriptyline) or tetracyclic (e.g., maprotiline) antidepressants and levothyroxine may increase the therapeutic and toxic effects of both drugs, possibly due to increased receptor sensitivity to catecholamines. (Levothyroxine label, Drug interactions)

Clinically Significant Drug Interactions The administration of local anesthetic solutions containing epinephrine or norepinephrine to patients receiving monoamine oxidase inhibitors or tricyclic antidepressants may produce severe, prolonged hypertension. (Lidocaine label, Drug interactions)

…Adverse Reactions Due to Drug Interactions with FLAVALTA Risk of Severe, Persistent Hypertension Due to Drug Interactions Between FLAVALTA and Monoamine Oxidase Inhibitors and Tricyclic Antidepressants Administration of FLAVALTA (containing a vasoconstrictor, epinephrine) in patients receiving monoamine oxidase inhibitors (MAOI), or tricyclic antidepressants may result… (Lidocaine and epinephrine label, Warnings and precautions)

Antidepressant Therapy Concurrent use of tricyclic (e.g., amitriptyline) or tetracyclic (e.g., maprotiline) antidepressants and liothyronine sodium may increase the therapeutic and toxic effects of both drugs, possibly due to increased receptor sensitivity to catecholamines. (Liothyronine label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Antidepressant: bupropion ↓ bupropion ↓ active metabolite, hydroxybupropion Patients receiving KALETRA and bupropion concurrently should be monitored for an adequate clinical response to bupropion. (Lopinavir and ritonavir label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Monitor all antidepressant-treated patients, especially during the initial few months of anti-depressant drug therapy, and at times of dosage changes. (Lumateperone label, Warnings and precautions)

Activation of Mania/Hypomania Antidepressant treatment can increase the risk of developing a manic or hypomanic episode, particularly in patients with bipolar disorder. (Lurasidone label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

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)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Likewise, solutions of mepivacaine containing a vasoconstrictor, such as epinephrine, should be used with extreme caution in patients receiving monoamine oxidase inhibitors (MAOI) or antidepressants of the triptyline or imipramine types, because severe prolonged hypertension may result. (Mepivacaine label, Warnings)

Drug interactions Additive anticholinergic effects may result from concomitant use with antipsychotics, tricyclic antidepressants, and other drugs with anticholinergic effects. (Methscopolamine label, Drug interactions)

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. (Desvenlafaxine label, Warnings and precautions)

Pharmacokinetic studies between moxifloxacin and other drugs that prolong the QT interval such as cisapride, erythromycin, antipsychotics, and tricyclic antidepressants have not been performed. (Moxifloxacin label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Serotonergic Drugs The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system, such as selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that effect the serotonin neurotransmitter system… (Nalbuphine label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Antidepressants bupropion ↓ bupropion and active metabolite hydroxy-bupropion Monitor for an adequate clinical response to bupropion. trazodone ↑ trazodone Adverse reactions of nausea, dizziness, hypotension, and syncope have been observed following co-administration of trazodone and ritonavir. (Nirmatrelvir and ritonavir label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Examples NSAIDs, aspirin, and warfarin Drugs that are Primarily Metabolized by CYP2D6 Clinical Impact Concomitant use of PRISTIQ increases C max and AUC of a drug primarily metabolized by CYP2D6 which may increase the risk of toxicity of the CYP2D6 substrate drug [see Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. (Desvenlafaxine label, Warnings and precautions)

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. (Desvenlafaxine label, Warnings and precautions)

The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. (Desvenlafaxine label, Warnings and precautions)

Agonistic Effects (increase in BIORPHEN blood pressure effect) can occur with monoamine oxidase inhibitors (MAOI), oxytocin and oxytocic drugs, tricyclic antidepressants, angiotensin and aldosterone, atropine, steroids, norepinephrine transporter inhibitors, ergot alkaloids. (Phenylephrine label, Drug interactions)

…Ethosuximide, felbamate, oxcarbazepine, methsuximide, topiramate Azoles Fluconazole, ketoconazole, itraconazole, miconazole, voriconazole Antineoplastic agents Capecitabine, fluorouracil Antidepressants Fluoxetine, fluvoxamine, sertraline Gastric acid reducing agents H 2 antagonists (cimetidine), omeprazole Sulfonamides Sulfamethizole, sulfaphenazole, sulfadiazine,… (Phenytoin label, Drug interactions)

Acute cardiac arrest may be possible during treatment with tricyclic antidepressants; therefore, Anticholium should only be considered as an antidote for this indication while the patient has continuous ECG monitoring. (Physostigmine label, Warnings and precautions)

DRUG INTERACTIONS Because pimozide prolongs the QT interval of the electrocardiogram, an additive effect on QT interval would be anticipated if administered with other drugs, such as phenothiazines, tricyclic antidepressants or antiarrhythmic agents, which prolong the QT interval. (Pimozide label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

…Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine The administration of local anesthetic injections containing epinephrine or norepinephrine to patients receiving monoamine oxidase inhibitors, tricyclic antidepressants or phenothiazines may produce severe, prolonged hypotension or hypertension. (Prilocaine and epinephrine label, Drug interactions)

It is generally believed (though not established in controlled trials) that treating such an episode with an antidepressant alone may increase the likelihood of precipitation of a mixed/manic episode in patients at risk for bipolar disorder. (Quetiapine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Drugs transported by P-gp (e.g., digoxin), or drugs metabolized by CYP2D6 (e.g., tricyclic antidepressants) may need reduced doses when used with ASPRUZYO Sprinkle. (Ranolazine label, Drug interactions)

…5-HT 3 Receptor Antagonists Ondansetron Decrease exposure Statins Metabolized by CYP3A4 Simvastatin Decrease exposure Thiazolidinediones Rosiglitazone Decrease AUC by 66% Tricyclic Antidepressants Nortriptyline A tuberculosis treatment regimen including rifampin (600 mg/day), isoniazid (300 mg/day), pyrazinamide (500 mg 3× per day), and pyridoxine (25 mg) was… (Rifampin label, Drug interactions)

…levonorgestrel Immunosuppressants Cyclosporine, tacrolimus Methylxanthines Theophylline Narcotic analgesics Methadone Phosphodiesterase-5 (PDE-5) Inhibitors Sildenafil Thyroid preparations Levothyroxine Tricyclic antidepressants Amitriptyline, nortriptyline 7.5 Other Interactions The conversion of PRIFTIN to 25-desacetyl rifapentine is mediated by an esterase enzyme. (Rifapentine label, Drug interactions)

Antidepressants: nefazodone, selective serotonin reuptake inhibitors (SSRIs): e.g. fluoxetine, paroxetine, tricyclics: e.g. amitriptyline, nortriptyline ↑ antidepressants A dose decrease may be needed for these drugs when co-administered with ritonavir. (Ritonavir label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Monoamine oxidase inhibitors and tricyclic antidepressants: Use with extreme caution. (Salmeterol label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Concomitant use of other drugs that cause central nervous system (CNS) adverse reactions (e.g., alcohol, sedatives, hypnotics, opiates, and anxiolytics) or have anticholinergic properties (e.g., other belladonna alkaloids, sedating antihistamines, meclizine, tricyclic antidepressants, and muscle relaxants) may increase this effect [see Drug Interactions ( 7.1 )] . (Scopolamine label, Warnings and precautions)

The concurrent use of Xyrem with other CNS depressants, including but not limited to opioid analgesics, benzodiazepines, sedating antidepressants or antipsychotics, sedating anti-epileptic drugs, general anesthetics, muscle relaxants, and/or illicit CNS depressants, may increase the risk of respiratory depression, hypotension, profound sedation, syncope, and… (Sodium oxybate label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

The efficacy of tricyclic antidepressants can decrease when coadministered with sulfamethoxazole and trimethoprim. (Sulfamethoxazole and trimethoprim label, Drug interactions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

Co-administration with other CNS depressants (e.g., benzodiazepines, opioids, tricyclic antidepressants, alcohol) increases the risk of CNS depression. (Suvorexant label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

The benzodiazepines, including temazepam, produce additive CNS-depressant effects when co-administered with other CNS depressants such as alcohol, barbiturates, antipsychotics, sedative/hypnotics, anxiolytics, antidepressants, narcotic analgesics, sedative antihistamines, anticonvulsants, and anesthetics. (Temazepam label, Drug interactions)

Monoamine Oxidase Inhibitors and Tricyclic Antidepressants Terbutaline sulfate should be administered with extreme caution to patients being treated with monoamine oxidase inhibitors or tricyclic antidepressants, or within 2 weeks of discontinuation of such agents, since the action of terbutaline sulfate on the vascular system may be potentiated. (Terbutaline label, Precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

The CNS depressant effects of Zanaflex with alcohol and other CNS depressants (e.g., benzodiazepines, opioids, tricyclic antidepressants) may be additive [see Drug Interactions ( 7.4 )] . (Tizanidine label, Warnings and precautions)

• Increased Risk of Bleeding: Concomitant use of aspirin, NSAIDs, other antiplatelet drugs, warfarin, and other anticoagulants may increase this risk ( 5.4 ). (Desvenlafaxine label, Warnings and precautions)

…quinidine, procainamide, disopyramide) and Class III (e.g., amiodarone, sotalol, ibutilide, dofetilide) antiarrhythmics; certain antipsychotics (e.g., thioridazine, haloperidol); certain antidepressants (e.g., venlafaxine, amitriptyline); certain antibiotics (e.g., erythromycin, clarithromycin, levofloxacin, ofloxacin); and certain anti-emetics (e.g., ondansetron, granisetron). (Toremifene label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

• Monoamine oxidase inhibitors and tricyclic antidepressants: Use with extreme caution. (Umeclidinium and vilanterol label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Drugs Suspected of Causing SIADH Use with drugs suspected of causing SIADH (e.g., SSRIs, tricyclic antidepressants, haloperidol, chlorpropamide, enalapril, methyldopa, pentamidine, vincristine, cyclophosphamide, ifosfamide, felbamate) may increase the pressor effect in addition to the antidiuretic effect of Vasostrict ® . (Vasopressin label, Drug interactions)

For patients taking warfarin, carefully monitor coagulation indices when initiating, titrating, or discontinuing PRISTIQ. (Desvenlafaxine label, Warnings and precautions)

Coadministration with other CNS depressants (e.g., benzodiazepines, opioids, tricyclic antidepressants, alcohol) increases the risk of CNS depression. (Zaleplon label, Warnings)

Additive effects occur with concomitant use of other CNS depressants (e.g., benzodiazepines, opioids, tricyclic antidepressants, alcohol), including daytime use [see Drug Interactions (7.1) ] . (Zolpidem label, Warnings and precautions)

Antidepressants: tricyclic antidepressants ↑ tricyclic antidepressants Coadministration with REYATAZ has the potential to produce serious and/or life-threatening adverse events and has not been studied. (Atazanavir label, Drug interactions)

Paralytic ileus, hyperthermia and heat stroke, all of which have sometimes been fatal, have occurred in patients taking anticholinergic-type antiparkinsonism drugs, including benztropine mesylate, in combination with phenothiazines and/or tricyclic antidepressants. (Benztropine label, Warnings)

However, there is substantial evidence from placebo-controlled maintenance studies in adults with MDD that antidepressants delay the recurrence of depression. (Brexpiprazole label, Warnings and precautions)

There have been rare reports of adverse reactions, including hypertension and dyskinesia, resulting from the concomitant use of tricyclic antidepressants and carbidopa-levodopa preparations. (Carbidopa label, Drug interactions)

…placebo-controlled trials of adult patients with major depressive disorder, the proportion of patients with shifts in fasting glucose from normal (<100 mg/dL) to high (≥126 mg/dL) was greatest in the VRAYLAR 3 mg per day + antidepressant therapy arm (3.2%) compared with those taking VRAYLAR 1.5 mg per day + antidepressant therapy (2%) or those placebo-treated (1.3%). (Cariprazine label, Warnings and precautions)

Such drugs include specific antidepressants, phenothiazines, carbamazepine, and Type 1C antiarrhythmics (e.g., propafenone, flecainide, and encainide). (Clozapine label, Drug interactions)

In contrast, drugs that are inhibitors of cytochrome P450 isozymes, e.g., antidepressants, may be expected to have little effect on valproate clearance because cytochrome P450 microsomal mediated oxidation is a relatively minor secondary metabolic pathway compared to glucuronidation and beta-oxidation. (Divalproex (valproate) label, Drug interactions)

Such drugs include phenothiazines, cisapride, bepridil, tricyclic antidepressants, certain oral macrolides, and certain fluoroquinolones. (Dofetilide label, Warnings)

Examples other SNRIs, SSRIs, triptans, tricyclic antidepressants, opioids, lithium, buspirone, amphetamines, tryptophan, and St. (Desvenlafaxine label, Drug interactions)

…quinidine, procainamide) or Class III (e.g., amiodarone, sotalol) antiarrhythmics, certain antipsychotics (e.g., ziprasidone, iloperidone, clozapine, quetiapine, chlorpromazine), certain antidepressants (e.g., citalopram, fluoxetine), certain antibiotics (e.g., azithromycin, erythromycin, clarithromycin, gatifloxacin, moxifloxacin); and others (e.g., pentamidine, methadone,… (Hydroxyzine label, Precautions)

These include itraconazole, ketoconazole, posaconazole, voriconazole, the macrolide antibiotics erythromycin and clarithromycin, the ketolide antibiotic telithromycin, HIV protease inhibitors, boceprevir, telaprevir, the antidepressant nefazodone, or cobicistat-containing products. (Lovastatin label, Warnings)

Activation of mania/hypomania has also been reported in a small proportion of patients with major affective disorder who were treated with other marketed antidepressants. (Desvenlafaxine label, Warnings and precautions)

Examples other SNRIs, SSRIs, triptans, tricyclic antidepressants, opioids, lithium, buspirone, amphetamines, tryptophan, and St. (Desvenlafaxine label, Drug interactions)

Drug Interactions Metabolism of a number of medications, including antipsychotics, antidepressants, β-blockers, and antiarrhythmics, occurs through the cytochrome P450 2D6 isoenzyme (debrisoquine hydroxylase). (Perphenazine label, Drug interactions)

Such drugs may include many antiarrhythmics, some phenothiazines, tricyclic antidepressants, and oral macrolides. (Propafenone label, Warnings and precautions)

Antidepressants: The hypotensive effect of MAO inhibitors or tricyclic antidepressants may be exacerbated when administered with beta-blockers. (Propranolol label, Drug interactions)

Cytochrome P450 IID6 is an enzyme critical to the metabolism of many drugs, notably including mexiletine , some phenothiazines , and most polycyclic antidepressants . (Quinidine label, Drug interactions)

Drugs predominantly metabolized by the CYP450 2D6 isozyme include the following drug classes: tricyclic antidepressants, selective serotonin reuptake inhibitors, beta-blockers, antiarrhythmics class 1C (e.g., flecainide and propafenone) and monoamine oxidase inhibitors Type B. (Terbinafine label, Drug interactions)

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

Monoamine oxidase inhibitors and tricyclic antidepressants possessing significant anticholinergic activity may intensify the anticholinergic effects of antidyskinetic agents because of the secondary anticholinergic activities of these medications. (Trihexyphenidyl label, Drug interactions)

In contrast, drugs that are inhibitors of cytochrome P450 isozymes, e.g., antidepressants, may be expected to have little effect on valproate clearance because cytochrome P450 microsomal mediated oxidation is a relatively minor secondary metabolic pathway compared to glucuronidation and beta-oxidation. (Valproic acid label, Drug interactions)

…Having No Clinically Important Interactions with PRISTIQ Based on pharmacokinetic studies, no dosage adjustment is required for drugs that are mainly metabolized by CYP3A4 (e.g., midazolam), or for drugs that are metabolized by both CYP2D6 and CYP3A4 (e.g., tamoxifen, aripiprazole), when administered concomitantly with PRISTIQ [see Clinical Pharmacology (12.3) ]. (Desvenlafaxine label, Drug interactions)

No interaction with the tricyclic antidepressant imipramine was shown in a single-dose study with entacapone without coadministered levodopa and dopa-decarboxylase inhibitor. (Entacapone label, Precautions)

Examples desipramine, atomoxetine, dextromethorphan, metoprolol, nebivolol, perphenazine, tolterodine 7.2 Drugs Having No Clinically Important Interactions with PRISTIQ Based on pharmacokinetic studies, no dosage adjustment is required for drugs that are mainly metabolized by CYP3A4 (e.g., midazolam), or for drugs that are metabolized by both CYP2D6 and CYP3A4… (Desvenlafaxine label, Drug interactions)

…Having No Clinically Important Interactions with PRISTIQ Based on pharmacokinetic studies, no dosage adjustment is required for drugs that are mainly metabolized by CYP3A4 (e.g., midazolam), or for drugs that are metabolized by both CYP2D6 and CYP3A4 (e.g., tamoxifen, aripiprazole), when administered concomitantly with PRISTIQ [see Clinical Pharmacology (12.3)… (Desvenlafaxine label, Drug interactions)

Examples desipramine, atomoxetine, dextromethorphan, metoprolol, nebivolol, perphenazine, tolterodine 7.2 Drugs Having No Clinically Important Interactions with PRISTIQ Based on pharmacokinetic studies, no dosage adjustment is required for drugs that are mainly metabolized by CYP3A4 (e.g., midazolam), or for drugs that are metabolized by both CYP2D6 and CYP3A4… (Desvenlafaxine label, Drug interactions)

Commonly Administered Drugs: Population analysis showed that commonly administered drugs (e.g., selegiline, amantadine, tricyclic antidepressants, benzodiazepines, ibuprofen, thiazides, antihistamines, anticholinergics) did not affect the clearance of ropinirole. (Ropinirole label, Drug interactions)

…Having No Clinically Important Interactions with PRISTIQ Based on pharmacokinetic studies, no dosage adjustment is required for drugs that are mainly metabolized by CYP3A4 (e.g., midazolam), or for drugs that are metabolized by both CYP2D6 and CYP3A4 (e.g., tamoxifen, aripiprazole), when administered concomitantly with PRISTIQ [see Clinical Pharmacology (12.3) ]. (Desvenlafaxine label, Drug interactions)

Examples desipramine, atomoxetine, dextromethorphan, metoprolol, nebivolol, perphenazine, tolterodine 7.2 Drugs Having No Clinically Important Interactions with PRISTIQ Based on pharmacokinetic studies, no dosage adjustment is required for drugs that are mainly metabolized by CYP3A4 (e.g., midazolam), or for drugs that are metabolized by both CYP2D6 and CYP3A4… (Desvenlafaxine label, Drug interactions)