| SYMPTOMS
- The first stage of a boil is an inflamed, painful, sometimes throbbing nodule under the skin, most often appearing on the face, neck, buttocks, armpits, or - rarely- a woman's nipple.
- After several days, the boil develops into a raised, reddish sore with a white or yellow center; it may be extremely painful because of pus buildup under the skin.
- A clump of boils is called a carbuncle; a boil on the eyelid is a sty.
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