Folliculitis
Folliculitis is inflammation of the hair follicles, appearing as small red bumps or whiteheads centered on hairs. It is usually mild but can become widespread or chronic.
Table of Contents
Quick Facts
- ICD-10: L73.9
- Common causes: Bacterial, fungal, irritation
- Usually mild: Yes
Causes
- Bacterial — most commonly Staphylococcus aureus
- Hot tub folliculitis — Pseudomonas, from contaminated water
- Fungal (especially in oily skin)
- Yeast (Malassezia)
- Viral (herpes simplex)
- Ingrown hairs from shaving
- Friction from clothing
- Occlusion (heavy lotions, prolonged moisture)
Symptoms
- Clusters of small red bumps or pustules around hair follicles
- Itching or burning
- Tenderness
- Sometimes oozing or crusting
Treatment
Home care
- Warm compresses
- Gentle cleansing
- Avoid shaving the area until healed
- Loose clothing
Medications
- Topical antibiotics (mupirocin, clindamycin)
- Oral antibiotics for widespread or stubborn cases
- Antifungal cream or shampoo if fungal
- Antiviral medication for HSV-related folliculitis
When to See a Doctor
See a doctor for:
- Widespread or recurrent folliculitis
- Large painful boils
- Fever or systemic illness
- Folliculitis in a person with diabetes or immune suppression
Frequently Asked Questions
Is folliculitis contagious?
Most folliculitis is not strongly contagious, but bacterial forms can spread through close contact or shared towels.
How can I prevent shaving-related folliculitis?
Use a sharp razor, shave with the grain, use lubricating shave gel, rinse between strokes, and consider electric razors or alternative hair removal methods.
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.
References
- American Academy of Dermatology. Folliculitis Patient Information.