Trimipramine has 11 known drug interactions based on U.S. FDA drug labeling data. 4 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Flecainide, Fluoxetine, Propafenone. Patients taking Trimipramine 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
- 11
- Major
- 4
- Moderate
- 7
Major (4)
- Trimipramine + Flecainide— Flecainide inhibits P450 2D6, potentially causing abrupt toxicity in patients stable on trimipramine due to increased pl…
- Trimipramine + Fluoxetine— Fluoxetine inhibits P450 2D6, potentially increasing trimipramine plasma concentrations and causing toxicity. Sufficient…
- Trimipramine + Propafenone— Propafenone inhibits P450 2D6, potentially causing abrupt toxicity in patients stable on trimipramine due to increased p…
- Trimipramine + Quinidine— Quinidine inhibits P450 2D6, potentially causing abrupt toxicity in patients stable on trimipramine due to increased pla…
Moderate (7)
- Trimipramine + Alcohol— Concomitant use of alcoholic beverages may be associated with exaggerated effects of trimipramine.
- Trimipramine + Atropine— Atropine-like anticholinergic effects may be more pronounced when used with trimipramine; particular care should be exer…
- Trimipramine + Cimetidine— Cimetidine inhibits elimination of trimipramine, requiring downward dose adjustment when initiated and upward adjustment…
- Trimipramine + Epinephrine— Local anesthetics containing epinephrine may have potentiated effects when used with trimipramine; particular care shoul…
- Trimipramine + Paroxetine— Paroxetine inhibits P450 2D6, potentially increasing trimipramine concentrations. Caution is indicated in co-administrat…
- Trimipramine + Sertraline— Sertraline inhibits P450 2D6, potentially increasing trimipramine concentrations. Caution is indicated in co-administrat…
- Trimipramine + Sympathomimetic Amines— Trimipramine can potentiate the effects of catecholamines and sympathomimetic amines; particular care should be exercise…