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Pityrosporum folliculitis in Adult
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Pityrosporum folliculitis in Adult

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Contributors: Vivian Wong MD, PhD, Susan Burgin MD
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Synopsis

Pityrosporum folliculitis is an acute, intensely pruritic eruption caused by Malassezia furfur, the causative organism of tinea versicolor. The condition frequently manifests as follicular papules and pustules on the upper trunk of young to middle-aged adults. The condition is also seen frequently in the immunocompromised, including patients on chronic oral prednisone and those with diabetes. High heat, humidity, and occlusive clothing or personal care products predispose to the condition. Recent use of oral antibiotics is also a risk factor.

Underlying conditions include human immunodeficiency virus (HIV) infection, immunosuppressive therapy, antibiotic therapy, Down syndrome, and systemic candidiasis.

Codes

ICD10CM:
L73.8 – Other specified follicular disorders

SNOMEDCT:
428172002 – Malassezia folliculitis

Look For

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

Best Tests

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Management Pearls

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Therapy

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Drug Reaction Data

Below is a list of drugs with literature evidence indicating an adverse association with this diagnosis. The list is continually updated through ongoing research and new medication approvals. Click on Citations to sort by number of citations or click on Medication to sort the medications alphabetically.

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References

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Last Reviewed: 03/21/2018
Last Updated: 04/20/2018
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Pityrosporum folliculitis in Adult
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Pityrosporum folliculitis : Folliculitis, Primarily truncal, Superior chest, Upper back, Pruritus, Smooth papules, Pustules
Clinical image of Pityrosporum folliculitis
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