noun
- a small bump on the skin containing pus, typically caused by infection or inflammation
Usage: medical
Examples
- The doctor examined the red pustule on the patient’s arm.
- Acne often causes pustules to form on the face and back.
- She applied antibiotic cream to the infected pustule.
- The pustule was filled with yellow pus and needed to be drained.
- Multiple pustules appeared after the allergic reaction.
- The dermatologist warned against squeezing the pustule.