---
title: "Food Allergies: Symptoms, Causes, Diagnosis, and Treatment"
description: "Food allergies happen when your immune system overreacts to a food protein, causing hives, swelling, or breathing trouble. Get labs and care—no referral."
canonical: "https://www.vitalsvault.com/conditions/food-allergies"
last-updated: 2026-08-22
---

# Food Allergies: Symptoms, Causes, Diagnosis, and Treatment

> Food allergies happen when your immune system overreacts to a food protein, causing hives, swelling, or breathing trouble. Get labs and care—no referral.

---

Canonical HTML: https://www.vitalsvault.com/conditions/food-allergies
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