The side effects of antidepressants are firstly divided into two major categories. The first is tricyclic and tetracyclic antidepressants, mainly represented by amitriptyline and doxepin, whose main side effects are drowsiness, blurred vision, dry mouth, constipation, urinary retention, etc. Such drugs are prohibited in clinical practice for patients with glaucoma and prostatic hypertrophy. The use of these drugs is also avoided for older patients with cardiovascular disease. Second, new antidepressants, such as paroxetine, sertraline, fluoxetine, duloxetine and other drugs, the main side effects of drugs such as nausea, headache, sometimes may appear symptoms of insomnia, sexual function problems, may appear hypertension, sweating and other problems, but the new antidepressants side effects are relatively less likely to occur, for the treatment of depression is also more recognized, for the For the treatment of disease, more choice is the analysis of the pros and cons, first of all, it should be clear that drugs have inevitable side effects, but are often relatively safe, you can rest assured that follow medical advice for drug treatment.