Trazodone hydrochloride tablets are used to treat depression and anxiety. The drug is a tetracyclic antidepressant whose antidepressant mechanism is the selective inhibition of 5-hydroxytryptamine reabsorption. At low doses, trazodone is an antagonist of 5-hydroxytryptamine, while at high doses it is its agonist. Clinically the drug is used for the treatment of various types of depression and anxiety disorders with depressive symptoms. So the drug is used in the treatment of depression and anxiety disorders. Adverse effects such as drowsiness, dizziness, fatigue, agitation, dry mouth, lightheadedness and hypotension are associated with the use of the drug. It is contraindicated in patients who are allergic to the product and the ingredients contained in it. Avoid driving vehicles and operating important machines during the period of use; use with caution in patients with severe renal dysfunction and heart disease; monitor liver function during the period of use; use with caution in pregnant women and lactating women, and in persons under 18 years of age. If you need to use the drug, should be used under the guidance of a specialist, not self-medication to avoid adverse reactions.