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Folliculitis is an inflammation of the hair follicle. It can occur anywhere on your skin or scalp. There are many types of folliculitis.
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Folliculitis has many causes. It may be infectious or noninfectious.
Infectious folliculitis is caused by:
Non-infectious folliculitis may be caused by:
Factors that may increase your chanced of folliculitis:
Folliculitis may cause:
You will be asked about your symptoms and medical history. A physical exam will be done. Diagnosis may be made by looking at your skin. Testing will help your doctor determine the type and cause of the folliculitis. Other tests may be done to rule out specific skin or health conditions.
Tests may include:
In most cases, folliculitis is treated with medication. The type of medication depends on the cause of the folliculitis. Talk with your doctor about the best treatment option for you.
Infectious folliculitis may be treated with:
Non-infectious folliculitis may be treated with:
To help reduce your chances of folliculitis:
American Academy of Dermatology
Centers for Disease Control and Prevention
Canadian Dermatology Association
Public Health Agency of Canada
Folliculitis. American Osteopathic College of Dermatology website. Available at: http://www.aocd.org/?page=Folliculitis. Accessed September 27, 2017.
Folliculitis. EBSCO DynaMed Plus website. Available at:http://www.dynamed.com/topics/dmp~AN~T115802/Folliculitis. Updated September 17, 2015. Accessed September 30, 2016.
Hot tub rash (Pseudomonas dermatitis/folliculitis). Centers for Disease Control and Prevention website. Available at: https://www.cdc.gov/healthywater/swimming/swimmers/rwi/rashes.html. Updated May 4, 2016. Accessed September 27, 2017.
Luelmo-Aguilar J, Satandreu MS. Folliculitis: recognition and management. Am J Clin Dermatol. 2004;5(5):301-310.
Last reviewed September 2018 by EBSCO Medical Review Board Marcie L. Sidman, MD Last Updated: 9/25/2014