The nose is typically one of the first facial areas affected in rosacea. It can become red and bumpy and develop noticeable dilated small blood vessels. Left untreated, advanced stages of rosacea can cause a disfiguring nose condition called rhinophyma (ryno-fy-ma), literally growth of the nose, characterized by a bulbous, enlarged red nose and puffy cheeks (like the classic comedian W.C. Fields). There may also be thick bumps on the lower half of the nose and the nearby cheek areas. Rhinophyma occurs mainly in men. Severe rhinophyma can require surgical correction and repair.
Acne (acne vulgaris, common acne) is a disease of the hair follicles of the face, chest, and back that affects almost all teenagers during puberty -- the only exception being members of a few primitive Neolithic tribes living in isolation. It is not caused by bacteria, although bacteria play a role in its development. It is not unusual for some women to develop acne in their mid- to late-20s.