<unk> (oral) is a tricyclic antidepressant that is FDA approved for the treatment of alcoholism, anxiety, depression, psychoneurotic personality disorder, insomnia, and pruritus. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include constipation, nausea, xerostomia, dizziness, somnolence, urinary retention, and upper respiratory infection.
Doxepin 
Carbinoxamine
Chlorpropamide
Metopimazine
Chlorphenoxamine
Methoxamine
Perazine
Bromazine