<unk> (oral) is a phenothiazine derivative that is FDA approved for the {{{indicationType}}} of perennial and seasonal allergic rhinitis, vasomotor rhinitis, allergic conjunctivitis, mild, uncomplicated allergic skin manifestations of urticaria and angiodema, amelioration of allergic reactions to blood or plasma, dermographism, preoperative, postoperative, or obstetric sedation, prevention and control of nausea and vomiting associated with certain types of anesthesia and surgery, adjunctive to meperidine or other analgesics for control of postoperative pain, motion sickness, antiemetic therapy in postoperative patients. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include dermatitis, phototoxicity, urticaria, nausea, vomiting, xerostomia, CNS depression, dizziness, extrapyramidal disease, lowered convulsive threshold, sedation and somnolence.
Promethazine 
Naltrexone 
Phenelzine
Medazepam
Nabilone
Propiomazine
Nordazepam
Ketanserin