Clemastine Fumarate has 5 known drug interactions based on U.S. FDA drug labeling data. Notable interactions include combinations with Alcohol, Barbiturates, Mao Inhibitors. Patients taking Clemastine Fumarate 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
- 5
- Moderate
- 5
Moderate (5)
- Clemastine Fumarate + Alcohol— Additive CNS depression may occur when antihistamines are administered concomitantly with alcohol.
- Clemastine Fumarate + Barbiturates— Additive CNS depression may occur when antihistamines are administered concomitantly with barbiturates.
- Clemastine Fumarate + Mao Inhibitors— MAO inhibitors prolong and intensify the anticholinergic (drying) effects of clemastine fumarate.
- Clemastine Fumarate + Monoamine Oxidase Inhibitors (Maois)— MAO inhibitors prolong and intensify the anticholinergic effects of antihistamines.
- Clemastine Fumarate + Tranquilizers— Additive CNS depression may occur when antihistamines are administered concomitantly with tranquilizers.