suffering depression welcome online pharamacy zoloft zoloft hci setraline depression relief zoloft depression relief treats depression obsessive compulsive disorder ocd panic disorder belongs group medication called selective serotonin reuptake inhibitors ssri uses sertraline used treat depression panic attacks obsessive compulsive disorders ocd post traumatic stress disorder ptsd medication works helping restore balance certain natural chemicals brain medication also used treat severe form premenstrual syndrome premenstrual dysphoric disorder pmdd sexual function problem men premature ejaculation click learn