<unk>  can increase – rather than decrease – postoperative pain. In the treatment of fibromyalgia, adverse effects limit the useful dose. Adverse effects of<unk>  include, but are not limited to: dizziness/vertigo, euphoria, drowsiness, dry mouth, ataxia, sleep disturbance, dysphoria, headache, nausea, disorientation, depersonalization, and asthenia.
Nabilone
Flibanserin
Belinostat
Ketanserin
Guanfacine
Atomoxetine
Blonanserin
Naltrexone