Folliculitis

Definition

Folliculitis is an inflammation of the hair follicles commonly caused by bacterial infection, particularly Staphylococcus aureus. It often manifests as red, swollen, and pus-filled bumps on the skin.

5 Must Know Facts For Your Next Test

1. Folliculitis is primarily caused by bacterial infection but can also be triggered by fungal or viral agents.
2. Staphylococcus aureus is the most common bacterium responsible for folliculitis.
3. Symptoms include itching, redness, and small pustules centered around hair follicles.
4. Folliculitis can occur anywhere on the body where hair grows, including the scalp, face, and limbs.
5. Treatment typically involves topical or oral antibiotics for bacterial infections.

Review Questions

Related terms

Impetigo:

A superficial skin infection caused mainly by Staphylococcus aureus or Streptococcus pyogenes.

Cellulitis:

A deeper bacterial skin infection causing redness, swelling, and warmth.

Carbuncle: A cluster of connected boils often caused by a bacterial infection that extends deeper into the tissue.