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A 25-year-old female asked:

What is the onset time of an anaphylactic reaction to nuts? i am allergic to tree nuts and ate peanut butter 3 hours ago and feel itchy and tingling.

1 doctor answer • 5 doctors weighed in
Dr. John Chiu
Dr. John Chiuanswered
Allergy and Immunology 59 years experience
In minutes: Most nut reactions occur within minutes although it may rarely be as late as 2 hrs. Delayed reaction can happen from 2-8 hrs later but usually preceded by the immediate reaction and is uncommon. You may consider consulting an allergist since your reaction is not typical. Have you eaten or drunk anything else after having eaten peanut butter?
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Dr. Hirenkumar Italia
Dr. Nadia Ghattas
Dr. John Kim
Dr. Hirenkumar Italia and 3 doctors agree4 doctors agree

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Last updated Aug 18, 2015

Found in:

Tingling›Itching or burning›Severe allergic reaction (anaphylactic shock)

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