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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.
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]
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 ...
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.
Other causative agents of folliculitis include fungi (most commonly Malassezia species), viruses (such as herpes simplex virus), and mites (Demodex species). [ 11 ] [ 12 ] Impetigo , a highly contagious ABSSSI (acute bacterial skin and skin structure infection) common among pre-school children, primarily associated with the pathogens S. aureus ...
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.
Folliculitis decalvans is an inflammation of the hair follicle that leads to bogginess or induration of involved parts of the scalp along with pustules, erosions, crusts, ulcers, and scale. [ 1 ] : 649 [ 2 ] : 760–1 It begins at a central point and spreads outward, leaving scarring, sores, and, due to the inflammation, hair loss in its wake ...
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.