Rosacea is a chronic inflammatory skin condition that affects more than 16 million Americans. It usually starts as flushing or blushing on the cheeks, nose, chin, forehead, or neck. Over time, it can progress to persistent redness, bumps, pimples, enlarged pores and visible blood vessels. Rosacea can also affect the eyes, causing irritation, dryness, redness, and swelling.
The exact cause of rosacea is unknown, but it may be related to genetics, immune system dysfunction, environmental factors, or skin mites. Some common triggers for rosacea include: