Amitriptyline Hydrochloride + Cimetidine Interaction

Majorinteraction on record

Description

Cimetidine inhibits cytochrome P450 2D6, potentially causing toxic amitriptyline levels in normal metabolizers; may require lower amitriptyline doses.

Mechanism

Inhibition of cytochrome P450 2D6

Source: NLP:amitriptyline hydrochloride