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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 ...
Sycosis vulgaris is a cutaneous condition characterized by a chronic infection of the chin or bearded region. [1]: 252 [2] The irritation is caused by a deep infection of hair follicles, often by species of Staphylococcus or Propionibacterium bacteria. [3] It usually affects men who shave as this results in bacterial inoculation all over the face.
A boil, also called a furuncle, is a deep folliculitis, which is an infection of the hair follicle. It is most commonly caused by infection by the bacterium Staphylococcus aureus, resulting in a painful swollen area on the skin caused by an accumulation of pus and dead tissue. [1] Boils are therefore basically pus-filled nodules. [2]
Occlusive hair products: Using heavy oils, gels, or hair sprays can block hair follicles, increasing the risk of infection. Sweating: Excessive sweating can create a moist environment that ...
Alopecia Areata. Alopecia areata is an autoimmune condition that affects about 2 percent of the population. It occurs when your immune system attacks your hair follicles. This can damage your ...
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.
These inflamed papules or pustules can form especially if the area becomes infected. [7] This is especially a problem for some men who have naturally coarse or tightly curling thick hair. 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]
Eosinophilic folliculitis associated with HIV infection typically affects individuals with advanced HIV and low T helper cell counts. [8] It affects both men and women as well as children with HIV and is found throughout the world. EF may also affect individuals with hematologic disease such as leukemia and lymphoma. [9]