Dexamethasone Sodium Phosphate Injection has anti-inflammatory, anti-immune response, anti-allergic and anti-shock effects. It is mainly used in allergic and autoimmune inflammatory diseases, such as rheumatoid arthritis, lupus erythematosus, severe bronchial asthma, severe dermatitis, acute leukemia, as well as some serious infections and poisoning. In addition, for the more common drug allergies and allergic rashes, etc. can also be considered for the application of this drug treatment. It belongs to the glucocorticoid class of drugs, along with the therapeutic effect will appear some adverse reactions, mainly in the long-term application, may appear blood sugar, lipid metabolism abnormalities, electrolyte disorders, obesity, osteoporosis, sodium retention, edema and other phenomena. Therefore, for glucocorticoid drugs, the use of the doctor must strictly implement the instructions.