Red bumps on the skin, itching, generally considered to be caused by allergies caused by the disease, you can use the following methods of treatment: 1, antihistamines: you can take oral loratadine tablets, levocetirizine hydrochloride tablets, epinastine hydrochloride tablets, etc.; 2, corticosteroids: if the effect of the treatment of anti-allergy drugs is not good, you can orally prednisone acetate tablets, or injections of tretinoin injections; 3, topical medication: you can use topical mometasone furoate cream, dehumidification and relieving itchy ointment, ethylphenoxyphenethylenenecyclohexylenepropylenecyclohexylenephthalate ointment and so on; 4, traditional Chinese medicine therapy: you can orally take skin oxygen granules, dryness and relieving itch capsule, preventing the wind from the Sheng Pill, and so on.