Deutetrabenazine interactions

Deutetrabenazine (Austedo), a VMAT2 inhibitor has 312 documented interactions across the FDA labels and fact sheets we index: 55 major, 253 moderate, 4 minor, and 0 where a label reports no significant interaction. Each entry below quotes the sentence behind it. This drug page is a starting point, not a verdict for your situation.

Interactions from the label

Major interactions (55)

  • AmiodaroneantiarrhythmicMajor

    Reserve the combination of amiodarone with other antiarrhythmic therapies that prolong the QTc to patients with life-threatening ventricular arrhythmias who are incompletely responsive to a single agent. (Amiodarone label, Warnings and precautions)

  • AripiprazoleantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • AsenapineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • Azithromycinmacrolide antibioticMajor

    This risk which can be fatal should be considered in patients with certain cardiovascular disorders including known QT prolongation or history torsades de pointes, those with proarrhythmic conditions, and with other drugs that prolong the QT interval. (Azithromycin label, Warnings and precautions)

  • BrexpiprazoleantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • CariprazineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • ChlorpromazineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • CiprofloxacinfluoroquinoloneMajor

    Avoid use in patients with known prolongation, those with hypokalemia, and with other drugs that prolong the QT interval. (Ciprofloxacin label, Warnings and precautions)

  • ClozapineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • DofetilideantiarrhythmicMajor

    Use with Drugs that Prolong QT Interval and Antiarrhythmic Agents The use of dofetilide in conjunction with other drugs that prolong the QT interval has not been studied and is not recommended. (Dofetilide label, Warnings)

  • Concomitant use of COMPLERA with drugs with a known risk to prolong the QTc interval of the electrocardiogram may increase the risk of Torsade de Pointes. (Emtricitabine, rilpivirine, and tenofovir label, Warnings and precautions)

  • Fluconazoleazole antifungalMajor

    Coadministration of other drugs known to prolong the QT interval and which are metabolized via the enzyme CYP3A4 such as erythromycin, pimozide, and quinidine are contraindicated in patients receiving fluconazole. (Fluconazole label, Contraindications)

  • FluphenazineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • FoscarnetantiviralMajor

    (See DOSAGE and ADMINISTRATION. ) Because of the risk of QT 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… (Foscarnet label, Drug interactions)

  • FosfomycinantibioticMajor

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

  • HaloperidolantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • HydroxychloroquineQT-prolonging drugMajor

    Therefore, PLAQUENIL is not recommended in patients taking other drugs that have the potential to prolong the QT interval. (Hydroxychloroquine label, Warnings and precautions)

  • IloperidoneantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • IsoniazidantibioticMajor

    Taking monoamine oxidase inhibitors (MAOIs). (Deutetrabenazine label, Contraindications)

  • 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)

  • LevofloxacinfluoroquinoloneMajor

    Avoid use in patients with known prolongation, those with hypokalemia, and with other drugs that prolong the QT interval ( 5.11 , 8.5 ) (Levofloxacin label, Warnings and precautions)

  • LinezolidantibioticMajor

    Taking monoamine oxidase inhibitors (MAOIs). (Deutetrabenazine label, Contraindications)

  • Lopinavir and ritonavirantiretroviralMajor

    Avoid use in patients with congenital long QT syndrome, those with hypokalemia, and with other drugs that prolong the QT interval. (Lopinavir and ritonavir label, Warnings and precautions)

  • LoxapineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • LumateperoneantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • LurasidoneantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • Methylene blueMAO inhibitorMajor

    Taking monoamine oxidase inhibitors (MAOIs). (Deutetrabenazine label, Contraindications)

  • 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)

  • OlanzapineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • Olanzapine and fluoxetineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • Avoid coadministration of oxaliplatin injection with medicinal products with a known potential to prolong the QT interval. (Oxaliplatin label, Drug interactions)

  • PaliperidoneantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • Avoid coadministration of VOTRIENT with drugs known to prolong the QT/QTc interval. (Pazopanib label, Drug interactions)

  • PerphenazineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • PhenelzineMAO inhibitorMajor

    Taking monoamine oxidase inhibitors (MAOIs). (Deutetrabenazine label, Contraindications)

  • PhenobarbitalbarbiturateMajor

    Drugs that Prolong the QT Interval : Avoid concomitant use. (Phenobarbital label, Drug interactions)

  • PimavanserinantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • PimozideantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • PitolisantQT-prolonging drugMajor

    The use of WAKIX should be avoided in patients with known QT prolongation or in combination with other drugs known to prolong the QT interval [see Drug Interactions ( 7.1 )]. (Pitolisant label, Warnings and precautions)

  • ProchlorperazineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • PropafenoneantiarrhythmicMajor

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

  • QuetiapineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • RasagilineMAO inhibitorMajor

    Taking monoamine oxidase inhibitors (MAOIs). (Deutetrabenazine label, Contraindications)

  • RepaglinidemeglitinideMajor

    Examples: beta-blockers, clonidine, guanethidine, and reserpine Clopidogrel : Avoid concomitant use; if used concomitantly initiate at 0.5 mg before each meal and limit total daily dose to 4 mg ( 7 ) (Repaglinide label, Drug interactions)

  • RisperidoneantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • SelegilineMAO inhibitorMajor

    Taking monoamine oxidase inhibitors (MAOIs). (Deutetrabenazine label, Contraindications)

  • SertralineSSRIMajor

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

  • TetrabenazineVMAT2 inhibitorMajor

    Taking tetrabenazine or valbenazine [see Drug Interactions ( 7.6 )] . (Deutetrabenazine label, Contraindications)

  • ThioridazineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • ThiothixeneantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • TranylcypromineMAO inhibitorMajor

    Taking monoamine oxidase inhibitors (MAOIs). (Deutetrabenazine label, Contraindications)

  • TrifluoperazineantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • ValbenazineVMAT2 inhibitorMajor

    Taking tetrabenazine or valbenazine [see Drug Interactions ( 7.6 )] . (Deutetrabenazine label, Contraindications)

  • Avoid concomitant use of VEPPANU with strong CYP3A inhibitors or drugs known to prolong the QTc interval. (Vepdegestrant label, Warnings and precautions)

  • ZiprasidoneantipsychoticMajor

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

Moderate interactions (253)

  • AbirateroneCYP2D6 inhibitorModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • Acebutololbeta blockerModerate

    Drug Interactions Catecholamine-depleting drugs, such as reserpine, may have an additive effect when given with β-blocking agents. (Acebutolol label, Drug interactions)

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • AclidiniumanticholinergicModerate

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

  • AlcoholAlcoholModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • AlprazolambenzodiazepineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • AmantadineanticholinergicModerate

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • Amitriptylinetricyclic antidepressantModerate

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

  • Amoxapinetricyclic antidepressantModerate

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

  • Arformoterolbeta-adrenergic agonistModerate

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

  • Atenololbeta blockerModerate

    Drug Interactions Catecholamine-depleting drugs (e.g., reserpine) may have an additive effect when given with beta-blocking agents. (Atenolol label, Drug interactions)

  • Atenolol and chlorthalidonebeta blockerModerate

    Patients treated with atenolol and chlorthalidone plus a catecholamine depletor (e.g., reserpine) should be closely observed for evidence of hypotension and/or marked bradycardia which may produce vertigo, syncope or postural hypotension. (Atenolol and chlorthalidone label, Drug interactions)

  • AtropineanticholinergicModerate

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

  • Atropine and pralidoximeanticholinergicModerate

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

  • AzelastineantihistamineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Azelastine and fluticasoneantihistamineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Baclofenmuscle relaxantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Belladonna and opiumopioidModerate

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

  • BenztropineanticholinergicModerate

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

  • Betaxololbeta blockerModerate

    Catecholamine-depleting drugs (eg, reserpine) may have an additive effect when given with beta-blocking agents. (Betaxolol label, Drug interactions)

  • Drugs that Prolong the QT interval QT prolongation has been reported with metronidazole, a component of bismuth subcitrate potassium, metronidazole and tetracycline hydrochloride, particularly when administered with drugs with the potential for prolonging the QT interval. (Bismuth subcitrate, metronidazole, and tetracycline label, Warnings and precautions)

  • Bisoprololbeta blockerModerate

    Patients receiving catecholamine-depleting drugs, such as reserpine or guanethidine, should be closely monitored, because the added beta-adrenergic blocking action of BISOPROLOL FUMARATE may produce excessive reduction of sympathetic activity. (Bisoprolol label, Drug interactions)

  • Patients receiving catecholamine-depleting drugs, such as reserpine or guanethidine, should be closely monitored because the added beta-adrenergic blocking action of bisoprolol fumarate may produce excessive reduction of sympathetic activity. (Bisoprolol and hydrochlorothiazide label, Drug interactions)

  • Brimonidine and timololalpha-adrenergic agonistModerate

    Catecholamine-depleting Drugs Close observation of the patient is recommended when a beta blocker is administered to patients receiving catecholamine-depleting drugs such as reserpine, because of possible additive effects and the production of hypotension and/or marked bradycardia, which may result in vertigo, syncope, or postural hypotension. (Brimonidine and timolol label, Drug interactions)

  • BrivaracetamanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Bromocriptinedopamine agonistModerate

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

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

  • BuprenorphineopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • BupropionantidepressantModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • Butalbital and acetaminophenbarbiturateModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • ButorphanolopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Cabergolinedopamine agonistModerate

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • Cannabidiol (prescription)anticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • CarbamazepineanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Carbidopa and levodopadopaminergic drugModerate

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • Carbidopa, levodopa, and entacaponedopaminergic drugModerate

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • CarbinoxamineantihistamineModerate

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

  • Carisoprodolmuscle relaxantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Carvedilolbeta blockerModerate

    Hypotensive agents (e.g., reserpine, MAO inhibitors, clonidine) may increase the risk of hypotension and/or severe bradycardia. (Carvedilol label, Drug interactions)

  • CenobamateanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • ChlordiazepoxidebenzodiazepineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Chlordiazepoxide and clidiniumbenzodiazepineModerate

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

  • ChlorpheniramineantihistamineModerate

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

  • Chlorzoxazonemuscle relaxantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • CimetidineH2 blockerModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • CinacalcetCYP2D6 inhibitorModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • CitalopramSSRIModerate

    Avoid use of Citalopram Capsules in patients with congenital long QT syndrome, bradycardia, hypokalemia or hypomagnesemia, recent acute myocardial infarction, or uncompensated heart failure and patients taking other drugs that prolong the QTc interval. (Citalopram label, Warnings and precautions)

  • ClemastineantihistamineModerate

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

  • ClobazambenzodiazepineModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • Clomipraminetricyclic antidepressantModerate

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

  • ClonazepambenzodiazepineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Clonidinealpha-adrenergic agonistModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • ClorazepatebenzodiazepineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Cocainelocal anestheticModerate

    Postganglionic Blocking Agents Agents such as reserpine potentiate cocaine-induced sympathetic stimulation; concurrent use may increase the risk of hypertension and cardiac arrhythmias that may be life-threatening. (Cocaine label, Drug interactions)

  • CodeineopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Conjugated estrogensestrogenModerate

    Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • Cyclobenzaprinemuscle relaxantModerate

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

  • CyclopentolateanticholinergicModerate

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

  • CyproheptadineantihistamineModerate

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

  • Dantrolenemuscle relaxantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Daridorexantsedative-hypnoticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • DarifenacinanticholinergicModerate

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

  • DarunavirantiretroviralModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • Darunavir and cobicistatantiretroviralModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • Desfluranegeneral anestheticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Desipraminetricyclic antidepressantModerate

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

  • Desogestrel and ethinyl estradioloral contraceptiveModerate

    Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • DexchlorpheniramineantihistamineModerate

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

  • Dexmedetomidinealpha-adrenergic agonistModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Dextromethorphan and quinidineserotonergic drugModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • DiazepambenzodiazepineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • DicyclomineanticholinergicModerate

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

  • DimenhydrinateantihistamineModerate

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

  • DiphenhydramineantihistamineModerate

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

  • DisopyramideantiarrhythmicModerate

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

  • Divalproex (valproate)anticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Dorzolamide and timololcarbonic anhydrase inhibitorModerate

    Catecholamine-Depleting Drugs Close observation of the patient is recommended when a beta-blocker is administered to patients receiving catecholamine-depleting drugs such as reserpine, because of possible additive effects and the production of hypotension and/or marked bradycardia, which may result in vertigo, syncope, or postural hypotension. (Dorzolamide and timolol label, Drug interactions)

  • Doxepintricyclic antidepressantModerate

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

  • DoxylamineantihistamineModerate

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

  • Doxylamine and pyridoxineantihistamineModerate

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

  • DronabinolcannabinoidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Droperidoldopamine antagonistModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Drospirenone and ethinyl estradioloral contraceptiveModerate

    Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • DuloxetineSNRIModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • EfavirenzantiretroviralModerate

    QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (Efavirenz label, Drug interactions)

  • QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between EFV and drugs that prolong the QTc interval. (Efavirenz, lamivudine, and tenofovir label, Drug interactions)

  • Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • EribulinModerate

    QT Prolongation: Monitor for prolonged QT intervals in patients with congestive heart failure, bradyarrhythmias, drugs known to prolong the QT interval, and electrolyte abnormalities. (Eribulin label, Warnings and precautions)

  • EslicarbazepineanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • EstazolambenzodiazepineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • EstradiolestrogenModerate

    Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • Estradiol and dienogestoral contraceptiveModerate

    Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • Eszopiclonesedative-hypnoticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • EthosuximideanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • Etomidategeneral anestheticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • EverolimusimmunosuppressantModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • FelbamateanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • FentanylopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • FesoterodineanticholinergicModerate

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

  • FlavoxateanticholinergicModerate

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

  • FlibanserinCNS depressantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • FluoxetineSSRIModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine 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)

  • FosphenytoinanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • FulvestrantestrogenModerate

    Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • GabapentinanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • GlimepiridesulfonylureaModerate

    The signs of hypoglycemia may be reduced or absent in patients taking sympatholytic drugs such as beta-blockers, clonidine, guanethidine, and reserpine. (Glimepiride label, Drug interactions)

  • GlipizidesulfonylureaModerate

    The signs of hypoglycemia may be reduced or absent in patients taking sympatholytic drugs such as beta-blockers, clonidine, guanethidine, and reserpine. (Glipizide label, Drug interactions)

  • GlycopyrrolateanticholinergicModerate

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

  • GoserelinModerate

    Effect on QT/QTc Interval: Androgen deprivation therapy may prolong the QT interval. (Goserelin label, Warnings and precautions)

  • Guanfacinealpha-adrenergic agonistModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • HydrocodoneopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

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

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • HydromorphoneopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • HydroxyzineantihistamineModerate

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

  • HyoscyamineanticholinergicModerate

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

  • ImatinibCYP3A4 inhibitorModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • Imipraminetricyclic antidepressantModerate

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

  • Insulin aspartinsulinModerate

    Drugs That May Blunt Signs and Symptoms of Hypoglycemia Drugs: Beta-blockers, clonidine, guanethidine and reserpine Intervention: Increased frequency of glucose monitoring may be required when Insulin Aspart is concomitantly administered with these drugs. (Insulin aspart label, Drug interactions)

  • Insulin degludecinsulinModerate

    Drugs That May Blunt Signs and Symptoms of Hypoglycemia Drugs: Beta-blockers, clonidine, guanethidine, and reserpine Intervention: Increased frequency of glucose monitoring may be required when Insulin Degludec is co-administered with these drugs. (Insulin degludec label, Drug interactions)

  • Insulin detemirinsulinModerate

    Drugs That May Blunt Signs and Symptoms of Hypoglycemia Drugs: Beta-blockers, clonidine, guanethidine, and reserpine Intervention: Increased frequency of glucose monitoring may be required when LEVEMIR is co-administered with these drugs. (Insulin detemir label, Drug interactions)

  • Insulin glargineinsulinModerate

    Drugs that May Blunt Signs and Symptoms of Hypoglycemia Drugs: Beta-blockers, clonidine, guanethidine, and reserpine. (Insulin glargine label, Drug interactions)

  • Insulin lisproinsulinModerate

    Drugs That May Blunt Signs and Symptoms of Hypoglycemia Drugs: Beta-blockers, clonidine, guanethidine, and reserpine. (Insulin lispro label, Drug interactions)

  • Mechanism and Clinical Effect(s) Concomitant use of pentamidine with AFREZZA may cause hypoglycemia, which may sometimes be followed by hyperglycemia Beta-blockers, Clonidine, Guanethidine, and Reserpine Prevention or Management Monitor blood glucose more frequently and modify AFREZZA dosage, as clinically indicated, when used concomitantly with these drugs. (Insulin regular (human) label, Drug interactions)

  • IpratropiumanticholinergicModerate

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

  • Ipratropium and albuterolanticholinergicModerate

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

  • Isofluranegeneral anestheticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • KetamineCNS depressantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • LacosamideanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • LapatinibP-glycoprotein inhibitorModerate

    TYKERB may prolong the QT interval in some patients. (Lapatinib label, Warnings and precautions)

  • Lemborexantsedative-hypnoticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • LeuprolideModerate

    Effect on QT/QTc Interval: Androgen deprivation therapy may prolong the QT interval. (Leuprolide label, Warnings and precautions)

  • LevetiracetamanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Levodopadopaminergic drugModerate

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • Levonorgestrel and ethinyl estradioloral contraceptiveModerate

    Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • LevorphanolopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Lofexidinealpha-adrenergic agonistModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • LorazepambenzodiazepineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • MeclizineantihistamineModerate

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

  • MefloquineantimalarialModerate

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

  • MeperidineopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • MeprobamateCNS depressantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Metaxalonemuscle relaxantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • MethadoneopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Methocarbamolmuscle relaxantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • MethohexitalbarbiturateModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • MethscopolamineanticholinergicModerate

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

  • MethsuximideanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Metoclopramidedopamine antagonistModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Metoprololbeta blockerModerate

    Catecholamine depleting drugs (e.g., reserpine, monoamine oxidase (MAO) inhibitors) may have an additive effect when given with beta-blocking agents. (Metoprolol label, Drug interactions)

  • Drug Interactions with Metoprolol Catecholamine Depleting Drugs: The concomitant use of catecholamine-depleting drugs (e.g., reserpine, monoamine oxidase (MAO) inhibitors) with beta adrenergic blockers may have an additive affect and increase the risk of hypotension or bradycardia CYP2D6 Inhibitors: Drugs that are strong inhibitors of CYP2D6 such as quinidine,… (Metoprolol and hydrochlorothiazide label, Drug interactions)

  • 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)

  • MidazolambenzodiazepineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • MifepristoneCYP3A4 inhibitorModerate

    There is little or no experience with high exposure, concomitant dosing with other QT-prolonging drugs, or potassium channel variants resulting in a long QT interval. [See Warnings & Precautions ( 5.6 )] To minimize risk, the lowest effective dose should always be used. (Mifepristone label, Warnings and precautions)

  • Mirabegronbeta-adrenergic agonistModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • MorphineopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • MoxifloxacinfluoroquinoloneModerate

    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)

  • Nadololbeta blockerModerate

    Catecholamine-depleting drugs (e.g., reserpine) - additive effect; monitor closely for evidence of hypotension and/or excessive bradycardia (e.g., vertigo, syncope, postural hypotension). (Nadolol label, Drug interactions)

  • NalbuphineopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Naltrexone and bupropionopioid antagonistModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • NateglinidemeglitinideModerate

    Drugs That May Blunt Signs and Symptoms of Hypoglycemia Drugs: beta-blockers, clonidine, guanethidine, and reserpine Intervention: Increased frequency of glucose monitoring may be required when nateglinide is coadministered with these drugs. (Nateglinide label, Drug interactions)

  • Nebivololbeta blockerModerate

    Reserpine or clonidine may produce excessive reduction of sympathetic activity. (Nebivolol label, Drug interactions)

  • NilotinibQT-prolonging drugModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • Norethindrone and ethinyl estradioloral contraceptiveModerate

    Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • Norgestimate and ethinyl estradioloral contraceptiveModerate

    Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • Norgestrel and ethinyl estradioloral contraceptiveModerate

    Chronic increase in serum prolactin levels (although not evaluated in the AUSTEDO XR, AUSTEDO, or tetrabenazine development programs) has been associated with low levels of estrogen and increased risk of osteoporosis. (Deutetrabenazine label, Warnings and precautions)

  • Nortriptylinetricyclic antidepressantModerate

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

  • OliceridineopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Orphenadrinemuscle relaxantModerate

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

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

  • OxazepambenzodiazepineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • OxcarbazepineanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • OxybutyninanticholinergicModerate

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

  • OxycodoneopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • OxymorphoneopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • ParoxetineSSRIModerate

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

  • PasireotideModerate

    Drugs that Prolong QT: Use with caution in patients who are at significant risk of developing QTc prolongation. (Pasireotide label, Drug interactions)

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • PerampanelanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

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

  • Phentermine and topiramateCNS stimulantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • PhenylephrinedecongestantModerate

    …that Antagonize the Pressor Effect The increasing blood pressure effect of BIORPHEN is decreased in patients receiving: α-adrenergic antagonists Phosphodiesterase Type 5 inhibitors Mixed α- and β-receptor antagonists Calcium channel blockers, such as nifedipine Benzodiazepines ACE inhibitors Centrally acting sympatholytic agents, such as reserpine, guanfacine (Phenylephrine label, Drug interactions)

  • PhenytoinanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Pindololbeta blockerModerate

    Drug Interactions Catecholamine-depleting drugs (e.g., reserpine) may have an additive effect when given with beta-blocking agents. (Pindolol label, Drug interactions)

  • Pioglitazone and glimepiridethiazolidinedioneModerate

    The signs of hypoglycemia may be reduced or absent in patients taking sympatholytic drugs such as beta-blockers, clonidine, guanethidine, and reserpine. (Pioglitazone and glimepiride label, Drug interactions)

  • PonesimodimmunosuppressantModerate

    Anti-Arrhythmic Drugs, QT Prolonging Drugs, Drugs that may Decrease Heart Rate PONVORY has not been studied in patients taking QT prolonging drugs. (Ponesimod label, Drug interactions)

  • Pramipexoledopamine agonistModerate

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • PregabalinanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • PrimaquineantimalarialModerate

    QT Interval Prolonging Drugs The pharmacodynamic interaction potential to prolong the QT interval of the electrocardiogram between Primaquine phosphate Tablets and other drugs that effect cardiac conduction is unknown. (Primaquine label, Drug interactions)

  • PrimidoneanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • PromethazineantihistamineModerate

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

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

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

  • PropofolCNS depressantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Protriptylinetricyclic antidepressantModerate

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

  • QuinidineantiarrhythmicModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • Ramelteonsedative-hypnoticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • RanolazineQT-prolonging drugModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • RemifentanilopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • RilpivirineantiretroviralModerate

    In healthy subjects, 75 mg once daily and 300 mg once daily (3 times and 12 times the dose in EDURANT) have been shown to prolong the QTc interval of the electrocardiogram. (Rilpivirine label, Warnings and precautions)

  • RitonavirantiretroviralModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • Rocuroniumneuromuscular blockerModerate

    QT Interval Prolongation The overall analysis of ECG data in pediatric patients indicates that the concomitant use of Rocuronium Bromide Injection with general anesthetic agents can prolong the QTc interval [see Clinical Studies ( 14.3 )]. (Rocuronium label, Warnings and precautions)

  • RolapitantCYP2D6 inhibitorModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • Ropiniroledopamine agonistModerate

    Neuroleptic Malignant Syndrome (NMS) A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with drugs that reduce dopaminergic transmission. (Deutetrabenazine label, Warnings and precautions)

  • RufinamideanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • ScopolamineanticholinergicModerate

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

  • Sevofluranegeneral anestheticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Sodium oxybateCNS depressantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • SolifenacinanticholinergicModerate

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

  • SorafenibModerate

    Monitor electrolytes and electrocardiograms in patients with congestive heart failure, bradyarrhythmias, drugs known to prolong the QT interval, including Class Ia and III antiarrhythmics. (Sorafenib label, Warnings and precautions)

  • Sotalolbeta blockerModerate

    Additive to other QT-prolonging drugs ( 7.1 , 7.2 ) (Sotalol label, Drug interactions)

  • SunitinibModerate

    Drugs that Prolong QT Interval SUTENT is associated with QTc interval prolongation [see Warnings and Precautions (5.3) , Clinical Pharmacology (12.2) ] . (Sunitinib label, Drug interactions)

  • Suvorexantsedative-hypnoticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • TapentadolopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Tasimelteonsedative-hypnoticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • TemazepambenzodiazepineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • TerbinafineantifungalModerate

    Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (Deutetrabenazine label, Drug interactions)

  • TiagabineanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Timololbeta blockerModerate

    Catecholamine-Depleting Drugs Close observation of the patient is recommended when a beta-blocker is administered to patients receiving catecholamine-depleting drugs such as reserpine, because of possible additive effects and the production of hypotension and/or marked bradycardia, which may result in vertigo, syncope, or postural hypotension. (Timolol label, Drug interactions)

  • TiotropiumanticholinergicModerate

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

  • Tizanidinemuscle relaxantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • TolterodineanticholinergicModerate

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

  • TopiramateanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • TramadolopioidModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • TrazodoneantidepressantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • TriazolambenzodiazepineModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • TrihexyphenidylanticholinergicModerate

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

  • Trimipraminetricyclic antidepressantModerate

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

  • TriptorelinModerate

    Effect on QT/QTc Interval: Androgen deprivation therapy may prolong the QT interval. (Triptorelin label, Warnings and precautions)

  • TrospiumanticholinergicModerate

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

  • UmeclidiniumanticholinergicModerate

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

  • Umeclidinium and vilanterolanticholinergicModerate

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

  • Valproic acidanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • VigabatrinanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Zaleplonsedative-hypnoticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • Zolpidemsedative-hypnoticModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

  • ZonisamideanticonvulsantModerate

    Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Deutetrabenazine label, Drug interactions)

Minor mentions (4)

  • CladribineantimetaboliteMinor

    Prevention or Management Avoid co-administration of potent ENT1, CNT3, or BCRP transporter inhibitors (e.g., ritonavir, eltrombopag, curcumin, cyclosporine, dilazep, nifedipine, nimodipine, cilostazol, sulindac, dipyridamole, or reserpine) during the 4 to 5 day MAVENCLAD treatment cycles. (Cladribine label, Drug interactions)

  • DextroamphetamineCNS stimulantMinor

    Examples of acidifying agents include gastrointestinal acidifying agents (e.g., guanethidine, reserpine, glutamic acid hydrochloride, ascorbic acid) and urinary acidifying agents (e.g., ammonium chloride, sodium acid phosphate, methenamine salts). (Dextroamphetamine label, Drug interactions)

  • EphedrinesympathomimeticMinor

    Examples: α-adrenergic antagonists, β-adrenergic receptor antagonists, reserpine, quinidine, mephentermine Other Drug Interactions G u anethidine C linical Impact: Ephedrine may inhibit the neuron blockage produced by guanethidine, resulting in loss of antihypertensive effectiveness. (Ephedrine label, Drug interactions)

  • Phenoxybenzaminealpha blockerMinor

    Phenoxybenzamine hydrochloride blocks hyperthermia production by levarterenol, and blocks hypothermia production by reserpine. (Phenoxybenzamine label, Drug interactions)

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