This differential deals with diseases which produce inflammation and pustules within the follicle. For pustules unassociated with the follicle, see pustules. See also diffuse red rash, adult and urticarial rash.

Note: Unless the diagnosis is clear, e.g., acne, any pus should be cultured.

Adult, Common

Bacterial Folliculitis
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Hot Tub Folliculitis
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Pityrosporum Folliculitis
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Occlusion Folliculitis

Folliculitis Trunk, Non-Specific

Less Common


Steroid Folliculitis
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Viral Folliculitis


In HIV positive patients, also consider Eosinophilic Folliculitis
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Pustules In A Photodistribution

Actinic Superficial Folliculitis


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