The most common cause of pustules is acne, a skin condition that can clog skin pores with oil and dead skin cells. Pustules may also occur from an allergic reaction to food, environmental allergens, ...

An abscess is a confined pocket of pus that builds up within the body. A dental abscess forms within the teeth, in the gums or even the bone holding the tooth in place. A periapical abscess is located ...

A skin abscess is a bump within or below the skin’s surface. It is usually full of pus, painful, and may feel thick and swollen. This is typically caused by a bacterial infection. A skin abscess may ...