The primary lesion in Pseudomonas folliculitis is the pustule. It is follicular with a bright red halo surrounding it. There is usually a history of recent hot tub use.

Bright-red swollen macules with a central pustule on the trunk. Pseudomonas folliculitis is typically under the area covered by a bathing suit. It is often pruritic.

Pseudomonas folliculitis of the buttocks. Bright-red macules with central pustules. The lesions are all in the same stage of evolution. A culture is helpful. Note similarity of lesions.