Side effects can occur after taking antidepressants: 1, anticholinergic side effects, mainly manifested as dry mouth, constipation, blurred vision. With the continuation of treatment, the symptoms will gradually decrease, and in severe cases, urinary retention and intestinal paralysis can occur. 2, central nervous system side effects, the emergence of sedation-based symptoms, more sleep after taking drugs. 3, cardiovascular side effects, mainly manifested as upright hypotension, tachycardia, dizziness and other symptoms. 4, sexual side effects, patients can appear impotence, premature ejaculation, sexual interest and sexual pleasure of men and women decreased. 5. Weight gain, which can occur after taking the drug, and peripheral swelling. 6. Allergic reactions, which can occur in relatively mild cases with a rash, or in severe cases, with a relatively large rash, or occasionally with granulocyte deficiency symptoms.