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A 31-year-old member asked:

how long can a rash or another allergic reaction from food usually last?

2 doctor answers5 doctors weighed in
Dr. Tsu-Yi Chuang
Dermatology 50 years experience
Days: Usually not more than a week.
Dr. Javier Chinen
Pediatric Allergy and Asthma 30 years experience
Depends on the food: Allergic reactions are present as long as the allergen that triggers it is also present. For food, it depends on how much was eaten and if it is eliminated from the body.

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Last updated Jul 10, 2020
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