Dermatophyte generic name dexamethasone cream, coated with vulvar itching, once smeared itchy, you should adhere to the continuous use of medication for 1 week in order to consolidate the efficacy of the treatment. 1. Dexamethasone cream is a topical glucocorticoid drug. Clinically, it is mainly used for limited itchy skin diseases, such as neurodermatitis, contact dermatitis, eczema and so on. 2. Vulvar itching may be neurodermatitis, in the treatment of dermatitis psoriasis has a very good effect, may be used once the symptoms can be relieved, but if the interruption of the drug is easy to recur, should adhere to the use of medication for 1 week, to break the vicious cycle of rash – itching – scratching – rash aggravation, so that the condition of complete relief. 3. It should be noted that long-term use of dexamethasone cream may be used at the site of skin atrophy, capillary dilatation and hyperpigmentation, so generally in the face, vulva and other thin layer of keratin layer of the continuous use of the drug not more than 2 weeks, in the palms of the hands, the palms of the feet and other thick layer of keratin layer of the continuous use of the drug not more than 4 weeks. If the patient has the need for medication, it is recommended to follow the doctor’s instructions to use, do not unauthorized use of medication, in order to avoid adverse consequences.