The generic name of the drug Dexamethasone is Dexamethasone Acetate Tablets, which is an adrenocorticotropic hormone drug with anti-inflammatory, anti-allergic, anti-shock, and immunosuppressive effects, and also slightly promotes sodium retention and potassium excretion. The drug is mainly used in allergic and autoimmune inflammatory diseases, such as connective tissue disease, severe bronchial asthma, dermatitis, ulcerative colitis, acute leukemia, malignant lymphoma. In addition, this drug is used in the diagnosis of certain adrenocortical diseases, such as dexamethasone suppression test. Larger doses of this product are prone to cause diabetes, peptic ulcers and Cushing-like syndrome symptoms, and have a strong inhibitory effect on the hypothalamic-pituitary-adrenal axis. Complicated infections are the main adverse reactions. It is contraindicated in patients with a history of hypersensitivity to the drug and adrenocorticotropic hormone analogs. The drug is contraindicated in patients with hypertension, gastric and duodenal ulcers, psychosis, electrolyte metabolism abnormalities, myocardial infarction, visceral surgery, glaucoma. It should be noted that the drug should be used with caution in patients with tuberculosis, acute bacterial or viral infections; after taking the drug for a long period of time, the dosage should be gradually reduced before discontinuing the drug; patients with diabetes mellitus, osteoporosis, cirrhosis of the liver, renal insufficiency, hypothyroidism, and athletes should also be cautious in the use of the drug. The drug needs to be used under the guidance of a doctor, do not use the drug without authorization.