Rosacea (pronounced roh-ZAY-sha) is a common rash, found on the central part of the face, usually of a middle-aged person. A tendency to flush easily is followed by persistent redness on the cheeks, chin, forehead and nose, and by crops of small inflamed red bumps and pus spots. Up to one in ten people may have rosacea. Although it can appear for the first time at any age, it more commonly appears between the ages of 30 and 55, with women more often affected than men. It can run in families. It is estimated that 45 million people world-wide suffer with rosacea.