No: Only a tiny %. If you have recurring episodes they will usually be the same. Consult a dermatologist about it. Be sure to bring all meds & vits etc. Do you take a BP med (ace inhibitor)?
Answered 3/10/2015
5.3k views
No: While anaphylaxis can occur due to food and drug allergy, it does not occur in every case. It is important to discuss the cause of hives and swelling with your doctor to determine risk of severe reactions and have an action plan.
Answered 3/10/2015
4.9k views
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