Paxil is an effective solution for the treatment of depression. It also treats panic disorder, obsessive-compulsive disorder, anxiety disorders, post-traumatic stress disorder, and premenstrual dysphoric disorder. This has active medicine Paroxetine Hydrochloride, which is a selective serotonin reuptake inhibitor. The available dosages of this medicine are 10 mg, 20 mg, 30 mg, and 40 mg.