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Rosacea is not considered an infectious disease, and there is no evidence that it can be spread by contact with the skin or through inhaling airborne bacteria. Learn more:

Q&A: Contagious? & Chlorine |

The signs of rosacea are often mistakenly associated with heavy drinking. While alcohol can aggravate the condition, those who have rosacea are not necessarily heavy drinkers, and even teetotalers may be affected.