What is trazodone?

Trazodone is an antidepressant medication. It is thought to increase the activity of one of the brain chemicals (serotonin) which may become unbalanced and cause depression.
Trazodone is used to treat depression. It may also be used for relief of anxiety disorders (eg, sleeplessness, tension) and chronic pain.
Trazodone may also be used for other purposes not listed in this medication guide.