Rosacea is a common skin condition causing flushing, redness, red pimples and pustules on the face, and should not be confused with acne.Dilated blood vessels may appear near the surface of the skin (telangiectasia). It can also cause inflammation of the eyes or eyelids, or both (ocular rosacea).osacea is a common skin condition causing flushing, redness, red pimples and pustules on the face, and should not be confused with acne.