---
title: "Lactose Intolerance: Symptoms, Causes, Tests, and What Helps"
description: "Lactose intolerance happens when you don’t make enough lactase, so dairy triggers gas and diarrhea. Get clarity with PocketMD and simple labs."
canonical: "https://www.vitalsvault.com/conditions/lactose-intolerance"
last-updated: 2026-08-22
---

# Lactose Intolerance: Symptoms, Causes, Tests, and What Helps

> Lactose intolerance happens when you don’t make enough lactase, so dairy triggers gas and diarrhea. Get clarity with PocketMD and simple labs.

---

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