What does pustule mean?
A small pimple or blister, especially one caused by a skin infection, such as acne or impetigo. A small, usually painful, swelling on the skin, often caused by a bacterial or viral infection.
Example
"The doctor prescribed antibiotics to treat the pustule on her forehead."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.