If you get bumps when you scratch your body, consider hives caused by allergic factors, which can be treated by the following methods: 1. antihistamines: you can take oral loratadine capsules, levocetirizine hydrochloride tablets, stavastatin hydrochloride tablets, etc.; 2. corticosteroids: if anti-allergic medication is not effective, you can take oral prednisone acetate tablets, or inject tretinoin injection; 3. other medications: for example, oral skin itching granules, moistening and anti-itching capsules, compound glycyrrhetinic acid tablets, vitamin C, etc.; 4. topical medications: topical mometasone furoate cream, dehumidifying and anti-itching ointment, butalbital hydroxy acid cream, etc.