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Most foods will trigger a reaction within 2 hours. Rarely, it can take longer. There is a newly identified allergy to animal meats that can happen 6-10 hours later.

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13y ago
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13y ago

if you take something to stop it, it can go away maybe two days or 3.

there is a great medicine calle Allegra for foor alergies its great

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13y ago

for 4 hrs

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Q: How long does it take for an allergic reaction to occur after eating the actual food?
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Can you get allergic reaction after a month?

No, an allergic reaction will occur within 24 hours of exposure.


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Does blue cheese cause an allergic reaction in some people?

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