Mirtazapine does not treat diabetes. Mirtazapine is primarily used for the treatment of depression. It is effective for symptoms such as lack of pleasure, psychomotor inhibition, poor sleep, and weight loss. Diabetes, on the other hand, is a disease caused mainly by abnormal insulin function and is not a psychiatric disorder. Therefore, mirtazapine is not usually used to treat diabetes. Adverse reactions such as drowsiness, sedation, dry mouth, weight gain, increased appetite, dizziness, fatigue, headache, infection, pain, chest pain, palpitations and other adverse reactions may occur with the use of Mirtazapine, and it is recommended that the drug be discontinued in time and seek medical attention. It is contraindicated for those who have hypersensitivity reactions to mirtazapine or any of the excipient components of the product. And the use of this product is prohibited in patients who are receiving linezolid. It is recommended that diabetic patients go to the hospital in time, follow the doctor’s instructions for treatment, and do not blindly use the drug to avoid delaying the condition.