---
title: "Butterfly Rash: Causes, Lupus Signs, Diagnosis, Treatment"
description: "Butterfly rash is a red, cheek-and-nose rash often triggered by sun or inflammation and can signal lupus. Get clear next steps, labs, no referral."
canonical: "https://www.vitalsvault.com/conditions/butterfly-rash"
last-updated: 2026-08-22
---

# Butterfly Rash: Causes, Lupus Signs, Diagnosis, Treatment

> Butterfly rash is a red, cheek-and-nose rash often triggered by sun or inflammation and can signal lupus. Get clear next steps, labs, no referral.

---

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