Itchy skin, red bumps mostly because of allergies caused by dermatitis or eczema, need to take oral anti-allergy drugs, anti-allergy drugs such as paracetamol, the first generation of antihistamines or loratadine, cetirizine, the second generation of antihistamines, and now there are better ibastine, imipramine third generation of antihistamines, the first generation of antihistamines to eat on the side effects is easy drowsiness, so it is best not to eat during the day, during the day can The second and third generation of antihistamines can be taken, one tablet a day. The topical application of topical anti-itch creams, such as glyburide lotion or Denide cream, diet attention spicy and stimulating as far as possible not to eat, fish, shrimp, seafood also try not to eat.