depression
"The drug is working miraculously well to alleviate social anxiety disorder acquired by a traumatic brain injury.

However, the nausea side-effect makes it almost worth quitting. Often borderline to vomiting with it.

An inadvertent side effect, this drug may improve cognition. A meta-analysis of clinical trials (Rosenblat, Kakar, McIntyre, 2015) posted in PubMed found that it improved psychomotor speed by 34% (P=.0001) and delayed recall by 24% (P=0.0007)."