Piyanping, that is, compound dexamethasone acetate cream, is a kind of hormone compound external medicine, which is mainly used to treat neurodermatitis, contact dermatitis, pruritus and chronic eczema, and has anti-inflammatory and antiallergic pharmacological effects. However, some infectious skin diseases are not suitable for Piyanping: first, bacterial skin diseases, including furuncle, folliculitis, acne and so on; Second, some tinea cruris, tinea pedis, tinea corporis and so on. Caused by fungal infection, long-term use will spread the rash and aggravate the condition; The third is viral skin diseases, including herpes simplex and herpes zoster. Unauthorized use of Piyanping will also aggravate local infection.

Long-term use of Piyanping is also prone to skin atrophy, telangiectasia, pigmentation, secondary infection and other adverse reactions, so it is best not to use it in moderation for more than two weeks. Once you feel uncomfortable during use, you should seek medical advice promptly. In addition, Pi Yanping is not suitable for external use on the face, because the facial skin is thin and tender, and frequent use is more likely to cause the above adverse reactions, forming hormone-dependent dermatitis, which seriously affects the appearance.