Skip to main content
CSTSetup
Dictionary

pustule

A small raised bump on the skin filled with pus.

PUS-chool noun

What it means

A small, round skin lesion with white or yellow fluid (pus) inside, often with red skin around it. Pustules are common in acne, folliculitis (infected hair folliclehair FOL-ih-kulA small tube-shaped pocket in the skin from which a hair grows.Full entry ) and some skin infections, and appear in a few skin diseases that are not infections, such as some forms of psoriasissuh-RY-uh-sisA long-term immune-related skin disease in which skin cells grow too fast and pile up on the surface.psor/o itch-iasis conditionFull entry . A larger, deeper collection of pus is an abscess.

For the nurse

Do not squeeze pustules. Describe their number, size and location, and report pustules with fever, spreading redness or in a client with a weak immune system.

At a glance

Spanishpústula
Also writtenpustules, pustular

Related terms

lesion

An area of tissue that has been damaged or has changed from normal, such as a sore, wound, lump or spot.

nodule

A small, firm, rounded lump of tissue that can be felt or seen, in or under the skin or in an organ.

hair follicle

A small tube-shaped pocket in the skin from which a hair grows.

blister

A raised bubble of skin filled with clear fluid.

Filed under

Look up another word