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Folliculitis is the infection and inflammation of one or more hair follicles. The condition may occur anywhere on hair-covered skin . The rash may appear as pimples that come to white tips on the face, chest, back, arms, legs, buttocks, or head.
Prolonged cases of AKN can cause keloid formation due to chronic irritation from folliculitis. Bacterial folliculitis and acne can mimic the appearance of AKN; however, unlike acne, comedones are not seen with AKN. Treatments for AKN aim to reduce inflammation and prevent infections and scarring.
Pyoderma means any skin disease that is pyogenic (has pus). These include superficial bacterial infections such as impetigo, impetigo contagiosa, ecthyma, folliculitis, Bockhart's impetigo, furuncle, carbuncle, tropical ulcer, etc. [1] [2] Autoimmune conditions include pyoderma gangrenosum.
Scalp folliculitis is a skin condition that occurs when the hair follicles on the scalp become inflamed. This results in pustules, whiteheads, or other pimple-like bumps on the scalp that can be ...
Gram-negative folliculitis occurs in patients who have had moderately inflammatory acne for long periods and have been treated with long-term antibiotics, mainly tetracyclines, a disease in which cultures of lesions usually reveals a species of Klebsiella, Escherichia coli, Enterobacter, or, from the deep cystic lesions, Proteus. [1]: 242, 273
Hot tub folliculitis can be, but is not always, painful and/or itchy. [5] In most cases, the rashes resolve after about 7 to 10 days, only leaving a hyperpigmented lesion that goes away after a few months. Oral antibiotics such as ciprofloxacin may be used to shorten the duration of symptoms. [2] [6] [7]
Irritant folliculitis is an inflammation of the hair follicle. [1] It characteristically presents with small red bumps in the skin at sites of occlusion , pressure, friction, or hair removal ; typically around the beard area in males, pubic area and lower legs of females, or generally the inner thighs and bottom.
Tufted folliculitis presents with doll's hair-like bundling of follicular units, and is seen in a wide range of scarring conditions including chronic staphylococcal infection, chronic lupus erythematosus, lichen planopilaris, Graham-Little syndrome, folliculitis decalvans, acne keloidalis nuchae, immunobullous disorders, and dissecting cellulitis.