---
title: "Soy Allergy: Symptoms, Causes, Testing, and Treatment"
description: "Soy allergy is an immune reaction to soy proteins that can cause hives, stomach upset, or anaphylaxis. Get clear testing and care options—no referral."
canonical: "https://www.vitalsvault.com/conditions/soy-allergy"
last-updated: 2026-08-22
---

# Soy Allergy: Symptoms, Causes, Testing, and Treatment

> Soy allergy is an immune reaction to soy proteins that can cause hives, stomach upset, or anaphylaxis. Get clear testing and care options—no referral.

---

Canonical HTML: https://www.vitalsvault.com/conditions/soy-allergy
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