Paroxetine (Paxil) is a strong SSRI for GAD, social anxiety, and depression. Learn why it has the worst discontinuation syndrome and how to manage side effects. Paxil (Paroxetine Hydrochloride) may treat depression, side effects, dosages, drug interactions, warnings, patient labeling, reviews, and more Paxil, one of the most commonly prescribed drugs for anxiety and depression, can sometimes cause unpleasant side effects. Here's what to know. Paroxetine is an antidepressant that belongs to a group of medicines called selective serotonin reuptake inhibitors (SSRIs). It works by increasing the amount of a natural chemical called. Paroxetine (Paxil) is a selective serotonin reuptake inhibitor (SSRI) antidepressant. It’s used to treat mental health conditions such as depression and anxiety. Paroxetine, sold under the brand name Paxil among others, is an antidepressant medication of the selective serotonin reuptake inhibitor (SSRI) class [6] used to treat major depressive disorder, obsessive–compulsive disorder (OCD), panic disorder, social anxiety disorder, post-traumatic stress disorder (PTSD), generalized anxiety disorder, and. Paxil is the brand name of the generic drug paroxetine. It is an antidepressant in the selective serotonin reuptake inhibitor class. Doctors prescribe Paxil to treat major depressive disorder. Paxil is used to treat depression, obsessive-compulsive disorder and anxiety. Learn about side effects, interactions and indications. Administer PAXIL as a single daily dose in the morning, with or without food. Shake the oral suspension well before administration. The recommended starting dosages and maximum dosages of PAXIL. Brisdelle® is used only to treat moderate to severe hot flashes caused by menopause. Paroxetine belongs to a group of medicines known as selective serotonin reuptake inhibitors (SSRIs). These medicines are thought to work by increasing the activity of the chemical called serotonin in the brain.