<unk>  is a Cannabinoid and antihemetic that is FDA approved for the treatment of nausea and vomiting associated with cancer chemotherapy in patients who have failed to respond adequately to conventional antiemetic treatments.   Common adverse reactions include hypotension, xerostomia, asthenia, ataxia, dyssomnia, headache, poor concentration, somnolence, vertigo, visual disturbance, dysphoric mood and euphoria.
Nabilone
Belinostat
Ketanserin
Guanfacine
Atomoxetine
Naltrexone 
Pimavanserin
Dapoxetine