This is a specific type of folliculitis caused by Pseudomonas aeruginosa, distinguished by its onset 1-4 days after exposure to contaminated water and its distribution in areas covered by a swimsuit.
This is an exaggerated insect bite reaction, presenting as persistent, itchy papules, not the pustules of folliculitis.
This is a fungal folliculitis caused by Malassezia, presenting as monomorphic, itchy papules and pustules on the upper trunk, and is not related to water exposure.
