What should I do if blisters appear from sun exposure?

Apr 07, 2023 Source: Cainiu Health

Dr. Wang Xiaoyan

Introduction

Sunburns that cause blisters can be managed by avoiding further sun exposure, staying hydrated, not breaking the blisters, applying cold compresses, and using medications if needed. First, immediately stop exposure to sunlight and seek shade to protect the skin. After a sunburn, the body may require additional fluids to replenish lost hydration. Be sure to drink enough water to help the skin heal from within.

In general, white blisters caused by sun exposure can be managed by avoiding further sun exposure, replenishing fluids, refraining from breaking the blisters, applying cold compresses, and medication. Specific measures are as follows:

1. Avoid further exposure: Immediately stop exposure to sunlight and seek shade to protect the skin.

2. Replenish fluids: After a sunburn, the body may require additional hydration. Be sure to drink sufficient water to support internal recovery of the skin.

3. Avoid breaking blisters: Do not squeeze or pop the blisters. White blisters form a protective layer that helps reduce pain and the risk of infection.

4. Cold compress: If small blisters appear after sunburn and routine care proves ineffective, a cold compress with normal saline can be applied, which helps disinfect and relieve localized pain.

5. Medication: If discomfort persists despite cold compresses, topical ointments containing anti-inflammatory, analgesic, or antiallergic ingredients—such as hydrocortisone cream or tretinoin cream—may be applied under medical guidance.

If the blisters are large or accompanied by other symptoms such as fever, headache, or nausea, prompt medical attention is recommended.

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