Allergic reactions

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Allergic reactions	Allergic reactions	Dermatographism - arm	Dermatographism - close-up
Dermatographism on the arm	Dermatographism on the back	Hives (urticaria) - close-up	Hives (urticaria) on the arm
Hives (urticaria) on the chest	Hives (urticaria) on the trunk

• Avoid triggers such as foods and medications that have caused an allergic reaction, even a mild one, in the past. This includes detailed questioning about ingredients when eating away from home. Ingredient labels should also be carefully examined.
• If you have a child who is allergic to certain foods, introduce one new food at a time so you can recognize an allergic reaction.
• A medical ID tag should be worn by people who know that they have serious allergic reactions.
• If you have a history of a serious allergic reactions, carry emergency medications (such as diphenihydramine and injectable epinephrine or a bee sting kit) according to your health care provider’s instructions.
• Do not use your injectable epinephrine on anyone else. They may have a condition (such as a heart problem) that could be affected by this drug.

Review Date: 05/03/2006
Reviewed By: David A. Kaufman, M.D., Assistant Professor, Division of Pulmonary, Critical Care & Sleep Medicine, Mount Sinai School of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.