Raised pocket of clear fluid, covered by skin. Friction blisters usually occur on the palms, fingers, heels or toes.

Staph skin infection causing a painful red lump in the skin

Common questions asked about formula and feeding from a bottle.

A small disc-shaped lump felt under the nipple (areola). Indicates the start of puberty

Breast pain and swelling during the week before menstrual periods. Normal in 10% of teens and 50% of adult women.