How long will the erythema of jock itch disappear after treatment has no uniform time, it generally takes 1~4 weeks, and the erythema of jock itch needs to be treated in time. Erythema is a typical symptom of jock itch, jock itch may appear in the groin at the onset of jock itch, accompanied by itchy symptoms, with the development of jock itch will spread to the buttocks, anus and other parts of the body. After standardized treatment of jock itch, the erythema can slowly disappear, the specific time is not certain, it takes about 1~4 weeks, according to the patient’s condition and physique. Ringworm erythema is mainly treated with topical medication, such as local use of terbinafine hydrochloride cream, miconazole nitrate cream and other antifungal creams. Paying attention to local hygiene, less scratching the affected area with hands, eating a light diet, resting more, and maintaining a moderate amount of exercise will also help ringworm erythema subside as soon as possible. When you find ringworm erythema, you can go to the dermatology department of the regular hospital in time. The above medicines should be used according to the doctor’s prescription.