Rosacea can also affect the eyes. It may irritate and inflame the eyelids and the white part of the eye. This is called conjunctivitis. No one knows the cause of rosacea. There may not be just one cause.
Rosacea tends to run in fair-skinned families and tends to occur in people who blush easily.
Women are more likely to get rosacea on the cheeks and chin, but men are more likely to get rosacea on the nose. Rosacea is a condition that lasts for a long period of time. Rosacea may get worse over time if it is not treated. Certain things seem to make rosacea worse. These include sun expos ure, hot drinks, alcohol, spicy foods, and hot or cold temperature.