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Published on: 3/5/2025

Why Am I Having Sore Lips But Not Chapped?

Sore lips without feeling chapped can happen for many reasons, such as reactions to sunlight, irritants, or other conditions. It's a sign that something may be affecting your lips, and a healthcare provider can help figure out the cause.

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Explanation

When your lips feel sore but aren’t dry or cracked like chapped lips, it might be because of a type of lip inflammation. One cause is sun damage, which over time may lead to a condition called actinic cheilitis. This happens with too much sun on your lips and can make them hurt. Other reasons include irritants—like certain foods, cosmetics, or even touching your lips too much—that can cause a reaction without making your lips visibly dry. Sometimes, an allergic response might make your lips sore even though they don’t look chapped. In some cases, an infection or an ongoing inflammation process can cause discomfort too. There are many reasons to consider, and it might help to notice if other symptoms, like swelling or color changes, are showing up along with pain. It is a good idea to see a doctor or dentist if this soreness continues so they can look at all the details and tell you exactly why your lips hurt.

(References)

  • Malamos D, Scully C. Sore or Swollen Lips Part 1- Causes and Diagnosis. Dent Update. 2016 Nov;43(9):874-6, 879-82. doi: 10.12968/denu.2016.43.9.874. PMID: 29152959.

  • Rodríguez-Blanco I, Flórez Á, Paredes-Suárez C, Rodríguez-Lojo R, González-Vilas D, Ramírez-Santos A, Paradela S, Conde IS, Pereiro-Ferreirós M. Actinic Cheilitis: Analysis of Clinical Subtypes, Risk Factors and Associated Signs of Actinic Damage. Acta Derm Venereol. 2019 Sep 1;99(10):931-932. doi: 10.2340/00015555-3237. PMID: 31197386.

  • Narayanan D, Rogge M. Cheilitis: A Diagnostic Algorithm and Review of Underlying Etiologies. Dermatitis. 2024 Sep-Oct;35(5):431-442. doi: 10.1089/derm.2023.0276. Epub 2024 Feb 29. PMID: 38422211.

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