Description: Trazodone is a selective serotonin reuptake inhibitor (SSRI) used in the treatment of depression. It is also prescribed for the treatment of insomnia, post-traumatic stress disorder, aggressive behavior and cocaine withdrawal. (2-[3-{4 -(m-chlorophenyl)-1-piperazinyl] propyl]s-triazol[4,3-a]-pyridine-3(2H)-one monohydrochloride)