15% azelaic acid cream is commonly used in dermatology, mainly used for mild and moderate inflammatory acne vulgaris topical treatment. Azelaic acid cream is a commonly used western medicine, is a dermatological drug, the main ingredient is azelaic acid, is a cream preparation, the drug is mainly used externally. Each person’s constitution is different, individual patients may experience burning, itching, stinging sensation when using the drug. There may be erythema, dry skin, flaking, contact dermatitis and other manifestations. If the symptoms are obvious, it is recommended to wash the drug off in time and go to the hospital. Allergy to any ingredient inside the drug is prohibited; changes in the properties of the drug are prohibited; other drugs are being used, and also consult the relevant physician or pharmacist before using this product. Read the instructions in detail before using the drug, use the drug according to the prescribed regimen, and do not apply a closed bandage to the site of the drug. If skin problems occur, it is recommended not to self-medication, you can go to the hospital dermatology department for examination, under the guidance of the doctor to give the appropriate drug treatment.