Tags: Drug.
Amitriptyline/perphenazine (Duo-Vil Etrafon Triavil Triptafen) is a formulation that contains the tricyclic antidepressant amitriptyline and the medium-potency typical (first-generation) antipsychotic perphenazine. In the United States amitriptyline/perphenazine is marketed by Mylan Pharmaceuticals Inc. and Remedy Repack Inc.