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What exactly is a food allergy, and how do I know if I have one?

2 weeks ago

Lately, I have noticed that whenever I eat certain foods like peanuts or some packaged snacks, I start feeling itching around my mouth and sometimes even get rashes on my skin. At first, I ignored it thinking it might just be coincidence, but now it’s happening more often. It’s making me a bit anxious because I’m not sure if this is something serious. Could this be a food allergy? What exactly does that mean, and how can I be sure?

Asked By Prerna | Female | Age 22

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2 weeks ago

Answers (1)

Pristyn Care Team

Simplifying Healthcare

Mar 31 2026

A food allergy happens when your immune system reacts abnormally to a specific food, treating it as harmful even though it is usually safe for others.

Common symptoms include itching, rashes, swelling, stomach discomfort, or even breathing difficulty in severe cases. If you notice symptoms repeatedly after eating certain foods, it could be a food allergy.

It’s important to identify the trigger food and avoid it. Consulting a doctor for proper diagnosis and guidance is the safest step.

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