Monoamine Oxidase Inhibitors (Maois) + Promethazine Hydrochloride And Dextromethorphan Hydrobromide Interaction

Contraindicatedinteraction on record

Description

Hyperpyrexia, hypotension, and death reported with co-administration. Increased extrapyramidal effects when MAO inhibitors used with phenothiazines. Concomitant administration should be avoided.

Mechanism

MAO inhibitors interact with dextromethorphan and phenothiazine component

Source: NLP:promethazine hydrochloride and dextromethorphan hydrobromide