what causes rosacea
Signs and symptoms of rosacea may include: Facial redness. Rosacea usually causes a persistent redness in the central part of your face. Small blood vessels on your nose and cheeks often swell and become visible. Swollen red bumps. Many people who have rosacea also develop pimples on their face that resemble acne.
A. Rosacea is a chronic disorder, rather than a short-term condition, and is often characterized by relapses and remissions. A retrospective study of 48 previously diagnosed rosacea patients found that 52 percent still had active rosacea, with an average ongoing duration of 13 years.