---
title: DermNet — Cheilitis
entity_type: Source
canonical_url: https://skinknowledgebase.com/sources/dermnet-cheilitis
date_modified: 2026-05-20
date_reviewed: 2026-05-20
mcp_eligible: true
source_type: dermatology_reference
original_source_url: https://dermnetnz.org/topics/cheilitis
evidence_sources: []
product_fact_sources: []
---

# DermNet — Cheilitis

## Quick Summary

Dermatology reference used for technical terminology and differential-boundary context.

## What Studied

Dermatology reference defining cheilitis and listing possible causes of inflamed lips.

## Main Findings

DermNet defines cheilitis as inflamed lips and lists causes including infection, skin conditions, allergy, medication, injury, sunburn, and nutritional deficiency.

## Why It Matters

It keeps the page from treating persistent or inflamed lips as only a cosmetic dryness issue.

## Related Entities

- [Chapped Lips](https://skinknowledgebase.com/concerns/chapped-lips)
- [Can lip balm make chapped lips worse?](https://skinknowledgebase.com/questions/can-lip-balm-make-chapped-lips-worse)
- [Why are my lips always chapped?](https://skinknowledgebase.com/questions/why-are-my-lips-always-chapped)