Folliculitis
Symptoms
Folliculitis appears as small pustules or bumps centered on hair follicles, often with a red halo. Lesions may be itchy or tender and can cluster in shaved or occluded areas. Superficial forms resolve quickly, while deep folliculitis can cause painful nodules. Hot‑tub folliculitis presents with widespread lesions after pool or spa exposure. Chronic cases may lead to scarring alopecia.
Cause
Bacterial folliculitis most commonly involves Staphylococcus aureus, whereas hot‑tub folliculitis is due to Pseudomonas aeruginosa. Tight clothing, shaving, and occlusive products promote follicular irritation and infection. Fungal or viral organisms can also infect follicles in immunocompromised hosts. Mechanical trauma and excessive sweating increase risk. Poor hygiene or contaminated water sources contribute to outbreaks.
Treatment
Antibacterial cleansers and warm compresses aid mild cases. Topical antibiotics (clindamycin, mupirocin) address localized staph infections. Oral antibiotics treat extensive or recurrent disease. Avoiding shaving, wearing loose clothing, and keeping skin dry help prevention. Hot‑tub folliculitis often resolves spontaneously, but severe cases may need fluoroquinolones.
Dr. Beth Schulz-Butulis
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