A pruritic, pustular folliculitis that erupts on the chest, shoulders, and back after intense sun exposure.
A yeast folliculitis, often in occluded or moist areas, presenting as small, perifollicular pustules.
An eruption of pruritic, follicular papules and pustules on the face, associated with an overgrowth of Demodex mites.
A fungal infection of the hair follicle (e.g., Majocchi's granuloma) presenting as perifollicular papules and pustules, often on the legs of women who shave.
A common side effect of this class of cancer drugs is a widespread, sterile papulopustular "acneiform" eruption on the face and upper trunk.
An intensely pruritic eruption of sterile, urticarial follicular papules and pustules, typically on the face, neck, and upper trunk, often associated with HIV.
A superinfection in patients on long-term antibiotics for acne, presenting as sudden pustules or deep nodules around the nose.
A herpetic infection of the hair follicle, which can present as umbilicated vesicles or pustules in a follicular pattern.
A herpetic folliculitis specifically affecting the bearded area.
A folliculitis caused by Pseudomonas aeruginosa from contaminated water, presenting as an itchy, papulopustular rash under the bathing suit area.
A deep dermatophyte infection of the hair follicle, presenting as perifollicular pustules or granulomatous nodules, typically on the legs.
A common, itchy folliculitis caused by Malassezia yeast, presenting as monomorphic, small papules and pustules on the upper back, chest, and shoulders.
The most common cause of bacterial folliculitis, presenting as tender, superficial pustules centered on hair follicles.
