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Definition
By Mayo Clinic staff
Folliculitis occurs when hair follicles become infected, often with Staphylococcus aureus or other types of bacteria. Certain variations of folliculitis are also known as hot tub folliculitis and barber's itch. Severe infections can cause permanent hair loss and scarring, and even mild folliculitis can be uncomfortable and embarrassing.
The infection usually appears as small, white-headed pimples around one or more hair follicles — the tiny pockets from which each hair grows. Most cases of folliculitis are superficial, and they may itch, but on occasion they're painful too. Superficial folliculitis often clears by itself in a few days, but deep or recurring folliculitis may need medical treatment.
- Folliculitis. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merck.com/mmpe/print/sec10/ch119/ch119e.htm. Accessed July 30, 2009.
- Luelmo-Aguilar J, et al. Folliculitis recognition and management. American Journal of Dermatology. 2004;5:301.
- Baddour LM. Folliculitis. http://www.uptodate.com/home/index.html. Accessed July 30, 2009.
- Craft N, et al. Superficial cutaneous infections and pyodermas. In: Wolff K, et al. Fitzpatrick's Dermatology in General Medicine. 7th ed. New York, N.Y.: McGraw-Hill Medical; 2008. http://www.accessmedicine.com/content.aspx?aID=2994673. Accessed Aug. 4, 2009.
- Pseudomonas aeruginosa infection. In: Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 4th ed. Philadelphia, Pa.: Mosby Inc; 2004. http://www.mdconsult.com/das/book/body/152685128-4/0/1195/59.html?tocnode=51440865&fromURL=59.html. Accessed Aug. 5, 2009.
- Stevens DL. Infections of the skin, muscle, and soft tissues. In: Fauci AS, et al. Harrison's Principles of Internal Medicine. 17th ed. New York, N.Y.: McGraw-Hill Medical; 2008. http://www.accessmedicine.com/content.aspx?aID=2860782. Accessed Aug. 4, 2009.
- Parker SRS, et al. Eosinophilic folliculitis in HIV-infected women. American Journal of Clinical Dermatology. 2006;7:193.
- Bacterial infections. In: Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 4th ed. Philadelphia, Pa.: Mosby Inc; 2004. http://www.mdconsult.com/das/book/body/152685128-4/0/1195/53.html?tocnode=51440785&fromURL=53.html. Accessed Aug. 5, 2009.
- Folliculitis. In: Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 4th ed. Philadelphia, Pa.: Mosby Inc; 2004. http://www.mdconsult.com/das/book/body/152685128-4/0/1195/54.html?tocnode=51440831&fromURL=54.html#4-u1.0-B0-323-01319-8..50011-X--cesec46_984. Accessed Aug. 5, 2009.
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