What are peanut allergy symptoms and signs? How do physicians diagnose a peanut allergy?
The most important step in the diagnosis of peanut allergy is a detailed history. A good history may essentially make the diagnosis of a peanut allergy.
Important factors for a suggestive history of peanut allergy include the following:
- Timing of symptoms: The majority of reactions occur within 20 minutes, with nearly all reactions occurring within two hours of exposure to peanuts.
- Types of peanut allergy symptoms: About 80% to 90% of reactions involve skin manifestations such as a rash including hives, redness, itching.