Amitriptyline/perphenazine
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 . 
<triplet> amitriptyline <subj> tricyclic antidepressant <obj> subject has role