Paxil - generic paroxetine - is an antidepressant that works by increasing the amount of serotonin between nerve cells in the brain, which has been shown to improve depression. There is a controlled-release version called Paxil CR.

Paxil is generally a safe medication, but there are some important cautions and some possible rare but serious side effects.

One of the most serious cautions is that increased bleeding can be caused in people who take paroxetine with Coumadin (generic warfarin),...