Demi refers to dexamethasone, and the combination of sulfadiazine sodium and dexamethasone can be antibacterial, anti-inflammatory and relieve symptoms. 1. Antibacterial: Sulfadiazine is a sulfonamide antibacterial drug, which has antibacterial effects on many gram-positive and negative bacteria. Sulfadiazine sodium can produce allergic reactions in allergic individuals, and patients may experience allergic reactions such as skin rashes and itching. 2. Anti-inflammatory: Dexamethasone is an anti-inflammatory drug belonging to the class of glucocorticoid hormones, which can alleviate the symptoms of inflammation caused by bacterial infections; the use of this product may appear side effects such as full-moon face, buffalo back, elevated blood sugar. 3. Relief of symptoms: Dexamethasone can relieve fever, pain and other symptoms of inflammation caused by bacterial infection. Sulfadiazine injection should not be combined with penicillin, tetracycline and ephedrine hydrochloride to avoid precipitation. Patients should use Sulfasalazine Sodium and Dexamethasone Phosphate Sodium under the guidance of a physician’s face-to-face visit, and patients should not self-administer the medication to avoid adverse results.