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Folliculitis starts with the introduction of a skin pathogen to a hair follicle. Hair follicles can also be damaged by friction from clothing, an insect bite, [2] blockage of the follicle, shaving, or braids that are very tight and close to the scalp. The damaged follicles are then infected by Staphylococcus spp. Folliculitis can affect people ...
Certain medications: Long-term use of antibiotics or steroids can alter the skin's natural flora and make it more prone to infections. Certain drugs like lithium and cyclosporine may also ...
Demodicosis is most often seen in folliculitis (inflammation of the hair follicles of the skin). Depending on the location, it may result in small pustules (pimples) at the base of a hair shaft on inflamed, congested skin. Demodicosis may also cause itching, swelling, and erythema of the eyelid margins. Scales at the base of the eyelashes may ...
EF consists of itchy red bumps centered on hair follicles and typically found on the upper body, sparing the abdomen and legs. The name eosinophilic folliculitis refers to the predominant immune cells associated with the disease ( eosinophils ) and the involvement of the hair follicles.
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.
Curly hair increases the likelihood of PFB by a factor of 50. [8] If left untreated over time, this can cause keloid scarring in the beard area. [9] Pseudofolliculitis barbae can further be divided into two types of ingrown hairs: transfollicular and extrafollicular. The extrafollicular hair is a hair that has exited the follicle and reentered ...
Adult mites copulate at the top of the hair follicle, near the skin surface. [10] Eggs are deposited in the sebaceous gland inside the hair follicle. [10] The heart-shaped egg is 0.1 mm (0.0039 in) long, and hatches into a six-legged larva. [11] In seven days the larva develops into a mature adult, [5] with two intervening nymph stages. [11]
Hot tub folliculitis, also called Pseudomonal folliculitis or Pseudomonas aeruginosa folliculitis, is a common type of folliculitis featuring inflammation of hair follicles and surrounding skin. [1]: 272 This condition is caused by an infection of the skin and hair follicles by the bacterium Pseudomonas aeruginosa.