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Friction: Wearing tight hats or helmets can cause friction, irritating the hair follicles and causing bumps. Shaving : Shaving the scalp can cause tiny cuts that allow bacteria to enter.
Allergens usually cause a shiny, blistered, itchy rash, while irritants tend to cause a dry, scaly, less itchy rash. ... This rash is itchy and can cause hair loss when it occurs on the scalp. The ...
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 rash is a change of the skin that affects its color, appearance, or texture.. A rash may be localized in one part of the body, or affect all the skin. Rashes may cause the skin to change color, itch, become warm, bumpy, chapped, dry, cracked or blistered, swell, and may be painful.
Keratosis pilaris (KP; also follicular keratosis, lichen pilaris, or colloquially chicken skin. [1]) is a common, autosomal-dominant, genetic condition of the skin's hair follicles characterized by the appearance of possibly itchy, small, gooseflesh-like bumps, with varying degrees of reddening or inflammation. [2]
Mosquito bites are typically itchy inflamed bumps that appear within minutes of the bite, the Mayo Clinic explains. They can also manifest as a hive-like spot that forms within 24 hours of the ...
Pseudofolliculitis barbae (PFB) is a type of irritant folliculitis that commonly affects people who have curly or coarse facial hair. [1] It occurs when hair curls back into the skin after shaving, causing inflammation, redness, and bumps. [2] [3] This can lead to ingrown hairs, scarring, and skin discoloration. PFB can be treated with various ...
[4] The cause is unclear but believed to involve a number of genetic and environmental factors. [2] [4] Risk factors for seborrhoeic dermatitis include poor immune function, Parkinson's disease, and alcoholic pancreatitis. [4] [6] The condition may worsen with stress or during the winter. [4] Malassezia yeast is believed to play a role. [6]