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Why is sun exposure a trigger for rosacea symptoms?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Sun exposure is the top trigger for rosacea symptoms in more than 80% of people who have rosacea, according to a recent survey by the National Rosacea Society. Sun exposure can cause redness and blood vessel dilation, and can heat up the skin and body overall. These factors can increase rosacea symptoms in the skin, as well as in the eyes in people who have ocular rosacea.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.