Efavirenz and Verapamil hydrochloride (İsoptin 80 mg): interaction and safety
This source-based reference is not a personal treatment recommendation. The relevance and management of an interaction depend on the exact products, route, dose and clinical situation.
Interaction mechanism
Efavirenz induction reduces exposure to the named calcium-channel blocker.
Clinical significance and safety
Efavirenz may reduce this calcium-channel blocker’s effect. Blood pressure or the condition being treated should be monitored when efavirenz starts or stops, with any change made by the prescriber.
Using this information
This is a source-based reference record, not a recommendation to combine, stop or change medicines. A missing interaction record does not establish safe use. A qualified healthcare professional should consider the exact products, doses, other medicines and individual health circumstances.