folliculitis Flashcards
What is the most common bacterial cause of folliculitis?
Staphylococcus aureus.
What results if a bacterial folliculitis infection involves the deep part of the follicle?
It results in a painful boil.
What are some recommended treatments for bacterial folliculitis?
Careful hygiene, antiseptic cleanser or cream, antibiotic ointment, or oral antibiotics.
What causes spa pool folliculitis?
Infection with Pseudomonas aeruginosa, which thrives in warm water.
What is gram-negative folliculitis?
A pustular facial eruption due to infection with Pseudomonas aeruginosa or other similar organisms.
When does gram-negative folliculitis usually appear, and how common is it?
It usually follows tetracycline treatment of acne and is quite rare.
What is the most common yeast that causes folliculitis?
Pityrosporum ovale, also known as Malassezia.
What is Malassezia folliculitis, and who does it commonly affect?
Malassezia folliculitis (pityrosporum folliculitis) is an itchy, acne-like condition usually affecting the upper trunk of young adults.
What treatments are recommended for Malassezia folliculitis?
Avoiding moisturizers, stopping any antibiotics, and using topical or oral antifungal medications for several weeks.
Which yeast can cause folliculitis in skin folds or the beard area?
Candida albicans.
How is Candida albicans folliculitis treated?
It is treated with appropriate topical or oral antifungal agents.
What condition can result in folliculitis as well as scaling and hair loss?
Ringworm of the scalp (tinea capitis).
Which virus can cause folliculitis that tends to be tender and resolves in about ten days without treatment?
Herpes simplex virus.
What is folliculitis on the face or scalp of older or immunosuppressed adults due to colonization by hair follicle mites called?
Demodicosis,
In HIV-infected patients they can be implicated with which type of folliculitis
gram negative bacteria may be
implicated or yeast infections, particularly pityrosporon.
What can be used to relieve itchiness in folliculitis?
Calamine or phenol-zinc lotion can be used as needed.
How are mild forms of folliculitis treated?
Dress or bathe with potassium permanganate solution, Betadine, or chlorhexidine
What are the oral antibiotics used for severe bacterial folliculitis?
Cloxacillin, erythromycin, doxycycline, or tetracycline for 7-10 days.
What is the treatment for Pityrosporon folliculitis?
Apply an imidazole cream twice daily.
What additional treatment is used for severe Pityrosporon folliculitis?
Add ketoconazole 200 mg orally once daily for 1 to 3 weeks.
