My son is allergic to a lot of things. The following is his doctor's advice:
1. stay away from the thing cause allergic.
2. when allergic happen, if it is live threatening go to the hospital as soon as possible. If not, go to phamarcy to buy Benadryl's Chidlren's liguid AllERGY. It is a common drug provide fast, effetive relief from itch due to allergic reaction. you can get it without docter's perscription.