Pustules

Definition

Pustules are small, inflamed, pus-filled lesions on the skin that typically result from bacterial infections. They are often associated with conditions like acne and impetigo.

5 Must Know Facts For Your Next Test

1. Pustules contain a mixture of inflammatory cells and dead bacteria.
2. Common pathogens causing pustules include Staphylococcus aureus and Streptococcus pyogenes.
3. They can occur on any part of the body but are most frequently found on the face, back, and shoulders.
4. Pustules are a symptom of various skin infections such as folliculitis, impetigo, and acne.
5. Proper hygiene and topical antibiotics are common treatments for pustules.

Review Questions

Related terms

Papule: A small raised bump on the skin that does not contain pus.

Folliculitis:

Inflammation of hair follicles often leading to pustule formation.

Impetigo:

A contagious bacterial skin infection characterized by pustules and vesicles.