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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 ...
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 ...
The swelling may feel fluid-filled when pressed. [1] The area of redness often extends beyond the swelling. [8] Carbuncles and boils are types of abscess that often involve hair follicles, with carbuncles being larger. [9] A cyst is related to an abscess, but it contains a material other than pus, and a cyst has a clearly defined wall ...
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.
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.
[3] [4] Infection causes inflammation and the development of pus. [2] Whether a skin condition classifies as acne depends on the number of comedones and infection. [4] Comedones should not be confused with sebaceous filaments. Comedo-type ductal carcinoma in situ (DCIS) is not related to the skin conditions discussed here. DCIS is a noninvasive ...
A rare fungal infection thought to mainly occur in the northern Midwest and parts of the Southeast is more common in other parts of the U.S. than expected, new research published Wednesday finds ...