Fluvoxamine has 57 known drug interactions based on U.S. FDA drug labeling data. Of these, 11 are contraindicated combinations that should be avoided entirely. 18 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Alosetron, Alosetron Hydrochloride, Methylergonovine. Patients taking Fluvoxamine should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 57
- Contraindicated
- 11
- Major
- 18
- Moderate
- 27
Contraindicated (11)
- Fluvoxamine + Alosetron— Fluvoxamine, a strong CYP1A2 inhibitor, increases alosetron AUC approximately 6-fold and prolongs half-life approximatel…
- Fluvoxamine + Alosetron Hydrochloride— Fluvoxamine, a strong CYP1A2 inhibitor, increased alosetron AUC approximately 6-fold and prolonged half-life approximate…
- Fluvoxamine + Methylergonovine— Moderate CYP 3A4 inhibitor; should not be co-administered with methylergonovine.
- Fluvoxamine + Methylergonovine Maleate— Moderate CYP 3A4 inhibitor; should not be co-administered with methylergonovine to avoid vasospasm risk.
- Fluvoxamine + Phenelzine Sulfate— Serious, sometimes fatal reactions reported when used concomitantly with MAO inhibitors.
- Fluvoxamine + Pirfenidone— Strong CYP1A2 inhibitor that significantly increases pirfenidone exposure. Should be discontinued prior to pirfenidone a…
- Fluvoxamine + Ramelteon— Strong CYP1A2 inhibitor that increases ramelteon AUC approximately 190-fold and Cmax approximately 70-fold; should not b…
- Fluvoxamine + Thioridazine Hydrochloride— Increases thioridazine and active metabolites (mesoridazine, sulforidazine) 3-fold. Should not be coadministered.
- Fluvoxamine + Tizanidine— Concomitant use is contraindicated. Results in significantly decreased blood pressure, increased drowsiness, and increas…
- Fluvoxamine + Tizanidine Hydrochloride— Strong CYP1A2 inhibitor causing significantly decreased blood pressure, increased drowsiness, and psychomotor impairment…
- Fluvoxamine + Tizanidne Hydrochloride— Strong CYP1A2 inhibitor; concomitant use contraindicated due to significantly decreased blood pressure, increased drowsi…
Major (18)
- Fluvoxamine + Aficamten— Strong CYP2C19 inhibitor that increases aficamten exposure, potentially increasing risk of heart failure due to systolic…
- Fluvoxamine + Clomipramine Hydrochloride— SSRI that inhibits P450 2D6 and P450 1A2, both involved in clomipramine metabolism, may increase plasma levels.
- Fluvoxamine + Clozapine— Strong CYP1A2 inhibitor that increases clozapine plasma levels, potentially resulting in adverse reactions. Requires dos…
- Fluvoxamine + Dexamethasone Sodium Phosphate, Lidocaine Hydrochloride, Povidine Iodine— Strong CYP1A2 inhibitor reduces ropivacaine plasma clearance by 70%, leading to increased ropivacaine levels.
- Fluvoxamine + Diazepam— Inhibits hepatic enzymes (CYP3A and 2C19), leading to increased and prolonged sedation.
- Fluvoxamine + Duloxetine— Potent CYP1A2 inhibitor increased duloxetine AUC approximately 6-fold, Cmax about 2.5-fold, and half-life approximately …
- Fluvoxamine + Duloxetine D/R— Potent CYP1A2 inhibitor increases duloxetine AUC approximately 6-fold, Cmax about 2.5-fold, and t1/2 approximately 3-fol…
- Fluvoxamine + Duloxetine Hydrochloride— Potent CYP1A2 inhibitor increases duloxetine AUC approximately 6-fold, Cmax about 2.5-fold, and t1/2 approximately 3-fol…
- Fluvoxamine + Lidocaine Hydrochloride— CYP1A2 inhibitor that increases lidocaine plasma AUC by 71% and Cmax by 22%, decreases clearance by 41%-60%, and prolong…
- Fluvoxamine + Methadone— SSRI and CYP inhibitor that increases methadone plasma concentration, resulting in increased opioid effects and potentia…
- Fluvoxamine + Methadone Hydrochloride— SSRI and CYP2C19/CYP3A4 inhibitor that increases methadone plasma concentration, resulting in increased opioid effects a…
- Fluvoxamine + Pirfenidone Capsule, 267 Mg— Strong CYP1A2 inhibitor significantly increases pirfenidone exposure. Concomitant use is not recommended; discontinue fl…
- Fluvoxamine + Pomalidomide— Strong CYP1A2 inhibitor that increased pomalidomide Cmax by 24% and AUC by 125%, increasing risk of exposure-related tox…
- Fluvoxamine + Roflumilast— CYP3A4 and CYP1A2 inhibitor that increases roflumilast systemic exposure and may result in increased adverse reactions.
- Fluvoxamine + Ropivacaine Hydrochloride— Strong CYP1A2 inhibitor reduced plasma clearance of ropivacaine by 70%, leading to increased ropivacaine plasma levels.
- Fluvoxamine + Tasimelteon— Strong CYP1A2 inhibitor that increases tasimelteon exposure, potentially causing a large increase in drug levels and gre…
- Fluvoxamine + Warfarin— Inhibitor of CYP2C9 and CYP1A2 that increases warfarin effect and INR; requires close INR monitoring
- Fluvoxamine + Warfarin Sodium— CYP2C9 and CYP1A2 inhibitor that increases warfarin effect and INR; requires closer INR monitoring.
Moderate (27)
- Fluvoxamine + Alprazolam— Moderate CYP3A inhibitor may increase alprazolam concentrations; avoid use or consider dose reduction.
- Fluvoxamine + Alprazolam C-Iv— Weak CYP3A inhibitor may increase alprazolam concentrations. Avoid use and consider dose reduction.
- Fluvoxamine + Anagrelide— CYP1A2 inhibitor may increase anagrelide exposure; monitor for cardiovascular events and titrate dose accordingly.
- Fluvoxamine + Anagrelide Hydrochloride— CYP1A2 inhibitor may increase anagrelide exposure; monitor for cardiovascular events and adjust dose.
- Fluvoxamine + Asenapine— Strong CYP1A2 inhibitor that increases asenapine exposure. Full therapeutic doses expected to cause greater increase in …
- Fluvoxamine + Asenapine Maleate— Strong CYP1A2 inhibitor that increases asenapine exposure. Full therapeutic dose expected to cause greater increase in a…
- Fluvoxamine + Carbamazepine— CYP3A4 inhibitor that increases carbamazepine plasma levels. Close monitoring of carbamazepine levels and dosage adjustm…
- Fluvoxamine + Carisoprodol— CYP2C19 inhibitor that could result in increased carisoprodol exposure and decreased meprobamate exposure; full pharmaco…
- Fluvoxamine + Clobazam— Strong CYP2C19 inhibitor that may increase exposure to N-desmethylclobazam active metabolite, increasing risk of dose-re…
- Fluvoxamine + Dihydroergotamine Mesylate— Weakness, hyperreflexia, and incoordination may occur rarely with coadministration of selective serotonin reuptake inhib…
- Fluvoxamine + Estazolam— Significant CYP3A inhibitor; estazolam should be used with caution and appropriate dosage reduction may be needed.
- Fluvoxamine + Fosphenytoin Sodium— May increase phenytoin serum levels; monitoring of phenytoin levels recommended.
- Fluvoxamine + Haloperidol Decanoate— Combined CYP3A4 and CYP2D6 inhibitor that increases haloperidol plasma concentrations; monitor for increased adverse eff…
- Fluvoxamine + Haloperidol Lactate— Combined CYP3A4 and CYP2D6 inhibitor that increases haloperidol plasma concentrations, raising risk of adverse events in…
- Fluvoxamine + Metoprolol— Potent CYP2D6 inhibitor may increase plasma concentration of metoprolol, decreasing cardioselectivity.
- Fluvoxamine + Metoprolol Tartrate— Potent CYP2D6 inhibitor may increase metoprolol plasma concentration, decreasing cardioselectivity.
- Fluvoxamine + Mexiletine Hydrochloride— CYP1A2 inhibitor that decreases mexiletine clearance by 38%, requiring dose titration.
- Fluvoxamine + Olanzapine— CYP1A2 inhibitor decreases olanzapine clearance, increasing Cmax by 54% (female nonsmokers) to 77% (male smokers); lower…
- Fluvoxamine + Olanzapine And Fuoxetine— May increase olanzapine levels; lower dose of olanzapine component should be considered.
- Fluvoxamine + Olanzapine Pamoate— Fluvoxamine decreases olanzapine clearance, increasing olanzapine Cmax by 54-77% and AUC by 52-108%. Lower olanzapine do…
- Fluvoxamine + Pentoxifylline— Strong CYP1A2 inhibitor that may increase exposure to pentoxifylline.
- Fluvoxamine + Phenytoin— May increase phenytoin serum levels; monitoring of phenytoin levels recommended.
- Fluvoxamine + Phenytoin Sodium— May increase phenytoin serum levels; monitoring of phenytoin levels recommended.
- Fluvoxamine + Propranolol Hydrochloride— CYP1A2 and CYP2C19 substrate/inhibitor that may increase blood levels and/or toxicity of propranolol.
- Fluvoxamine + Riluzole— CYP1A2 inhibitor that may increase riluzole exposure and risk of riluzole-associated adverse reactions.
- Fluvoxamine + Triazolam— Data from clinical studies of similar benzodiazepines suggest possible drug interaction with triazolam. Caution recommen…
- Fluvoxamine + Ubrogepant— Moderate CYP3A4 inhibitor. Dose adjustment recommended with concomitant use.