Some medications can have serious, even life-threatening, interactions with irreversible, non-selective MAO Inhibitors (tranylcypromine, isocarboxazid, phenelzine). Patients should be instructed to: Let all their physicians, dentists, and pharmacists know that they are taking an MAO inhibitor. Wear a medical bracelet indicating that they are taking an MAO inhibitor. In the event of an emergency, if…