Paxil is a type of antidepressant known as selective serotonin reuptake inhibitor or SSRI. Buy Paxil Online, It is used for the treatment of several mental health disorders related to anxiety and depression. There is a risk of experiencing some side effects if you are taking Paxil for the first time or taking an increasing amount of this drug like weight gain, sleepiness, headache, loss of appetite, or dizziness. In severe cases, it may cause suicidal thoughts, chest pain, skin peeling, abnormal bleeding, or fainting. Take Paxil exactly as directed by your doctor.