It can proliferate in sebum and cause inflamed pustules (pimples) characteristic of acne. Typical features of the condition include blackheads or whiteheads, pimples, oily skin, and possible scarring. Severe acne usually indicates the necessity of prescription medication to treat the pimples. Oily skin is typified by shininess, blemishes and pimples. Common side effects include skin irritation, dry skin, redness, pimples, and telangiectasia. It results in redness, pimples, swelling, and small and superficial dilated blood vessels. Some Plateau Indian tribes used water birch to treat pimples and sores. They can be the result of pimples, insect bites, scratching, burns, or other skin injury. As the disease progresses, the pimples fill up with pus or merge. Xipe Totec is associated with pimples, inflammation and eye diseases, and possibly plague. Large pimples that appear in those areas may exacerbate the infection if lacerated. Her face is covered with spots and pimples. Other modern applications by herbalists include treatments for pimples, bronchitis and gout. Pimples or spots are temporary and, therefore, are usually digitally retouched. They possess a hard, gummy shell with small pimples surrounded with hard, hexagonal tubercles.