Malassezia folliculitis
Malassezia Folliculitis
Malassezia folliculitis (pronunciation: mal-uh-SEE-zee-uh fuh-li-kyuh-LAHY-tis), also known as Pityrosporum folliculitis or fungal acne, is a skin condition caused by the overgrowth of Malassezia yeast in the hair follicles.
Etymology
The term "Malassezia" is derived from the name of the French scientist Louis-Charles Malassez who first discovered the yeast. "Folliculitis" comes from the Latin word "folliculus" meaning "small sac" and "-itis" denoting inflammation.
Definition
Malassezia folliculitis is characterized by itchy, red, and inflamed bumps on the skin, often mistaken for acne. Unlike acne, however, this condition is caused by an overgrowth of yeast, specifically the Malassezia species, within the hair follicles.
Causes
The Malassezia yeast is a part of the normal skin flora, but certain factors can cause it to overgrow and lead to inflammation. These factors include excessive sweating, oily skin, weakened immune system, hormonal changes, and certain medications such as antibiotics and corticosteroids.
Symptoms
Symptoms of Malassezia folliculitis include small, uniform, itchy pustules on the chest, back, and sometimes the neck and face. These pustules may be filled with pus and can cause discomfort.
Diagnosis
Diagnosis of Malassezia folliculitis is often made through clinical examination and confirmed by skin biopsy or fungal culture. The presence of yeast within the hair follicles is a key diagnostic feature.
Treatment
Treatment typically involves antifungal medications, both topical and oral. Topical treatments include ketoconazole, ciclopirox, and selenium sulfide, while oral treatments include fluconazole and itraconazole. In addition to medication, maintaining a regular skin care routine and avoiding triggers can help manage the condition.
Related Terms
External links
- Medical encyclopedia article on Malassezia folliculitis
- Wikipedia's article - Malassezia folliculitis
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