Three atypical antipsychotics (lurasidone, olanzapine and quetiapine) have also been found to possess efficacy in the treatment of bipolar depression as a monotherapy.
From Wiki At times, the mucous membrane around the uvula may swell, causing the uvula to expand 3â5 times its normal size. When the uvula touches the throat or tongue, it can cause sensations like gagging or choking, even though there is no foreign matter present.
The uvula. I've always been told, when touched or tugged, it causes one to gag. Also, it produces a lot of saliva, so it is useful when talking, to make sure the mouth doesn't dry out. This link should help. Everything You Need To Know About That Thing Dangling In Your Throat.