A tricyclic antidepressant used to treat depression, pain, or obsessive-compulsive disorders such as amitriptyline elavil, endep , doxepin sinequan , or clomipramine anafranil ; other commonly used tricyclic antidepressants, including amoxapine asendin , desipramine norpramin , imipramine tofranil , nortriptyline pamelor , and protriptyline vivactil ;.