Snapshot A 25-year-old woman presents to her dermatologist reporting a new itchy skin rash. She reports going to a pool party recently, where she shared a hot tub with 10 other people. On her thighs and abdomen are clusters of small pustules and papules overlying an erythematous base. She is prescribed daily acetic acid baths and topical benzoyl peroxide. (Hot tub folliculitis) Introduction Clinical definition login to view 1 more bullet Associated conditions login to view 4 more bullets Etiology Bacterial login to view 2 more bullets Fungal login to view 4 more bullets Viral login to view 1 more bullet Parasites login to view 1 more bullet Epidemiology Demographics login to view 2 more bullets Risk factors login to view 6 more bullets Presentation Symptoms login to view 2 more bullets Physical exam login to view 5 more bullets Studies Microbiology testing for bacteria, fungus, and virus login to view 2 more bullets Differential Pseudofolliculitis barbae Acne vulgaris Keratosis pillaris login to view 3 more bullets Treatment Conservative login to view 3 more bullets Medical login to view 9 more bullets Complications Deeper infection login to view 1 more bullet Alopecia login to view 1 more bullet Prognosis Waxing and waning nature Can progress into furuncle or carbuncle login to view 4 more bullets