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Causes
By Mayo Clinic staffThe cause of rosacea is unknown, but researchers believe it's likely due to some combination of hereditary and environmental factors.
A number of factors can aggravate rosacea or make it worse by increasing blood flow to the surface of your skin. Some of these factors include:
- Hot foods or beverages
- Spicy foods
- Alcohol
- Temperature extremes
- Sunlight
- Stress, anger or embarrassment
- Strenuous exercise
- Hot baths, saunas
- Corticosteroids
- Drugs that dilate blood vessels, including some blood pressure medications
One thing is certain — alcohol doesn't cause rosacea. Although drinking alcohol can lead to flushing of the skin and may worsen rosacea, people who don't drink alcohol can get rosacea.
- Goldstein BG, et al. Rosacea. http://www.uptodate.com/home/index.html. Accessed Sept. 7, 2010.
- What is rosacea? National Institute of Arthritis and Musculoskeletal and Skin Diseases. http://www.niams.nih.gov/Health_Info/Rosacea/rosacea_ff.pdf. Accessed Sept. 21, 2010.
- Rosacea. American Academy of Dermatology. http://www.aad.org/public/publications/pamphlets/common_rosacea.html. Accessed Sept. 21, 2010.
- Information for patients. The National Rosacea Society. http://www.rosacea.org/patients/faq.php. Accessed Sept. 23, 2010.
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