Itchy bumps on the skin at the waistband may be caused by contact dermatitis, you can use glucocorticoids and other treatments, may also be caused by pressure urticaria, you can use antihistamines, etc., in addition to the need to be vigilant about the early symptoms of herpes zoster. 1. If the phenomenon of itchy bumps at the waistband, often due to contact dermatitis, need to promptly remove irritating factors such as rubber or leather belts, avoid direct contact, you can use glucocorticosteroids for treatment, including hydrocortisone cream, dexamethasone ointment and so on. 2. Itching at the belt can also be caused by pressure urticaria, to avoid too much tension on the belt, or do not use, less use of the belt, if necessary, you can use antihistamines for treatment, such as loratadine, cetirizine and so on. 3. also need to be alert to herpes zoster, manifested as a side of the body along the nerve distribution of erythema blisters, early can only itch, late disease progression can appear pain symptoms, need to timely consultation, standardized treatment. If the phenomenon of itchy pimples at the waistband, go to the hospital in a timely manner to check, the use of the above drugs should follow the doctor’s instructions.