Itchy Scalp or Neck: Conditions, Treatments, and Pictures. An itchy scalp is very common, particularly in adults, and may or may not be due to any disease. If there is absolutely nothing visible accompanying an itchy scalp or just a few flakes of dry skin, you may have a mild case of dandruff.
Dandruff (seborrheic dermatitis) is the most common cause of an itchy rash on the scalp in adults and tends to affect the whole scalp; psoriasis is another common cause of itchy scalp and is often found just on the back of the scalp. Both conditions, dandruff and scalp psoriasis, have patches of redness and scaling and may also affect the ear area. People with psoriasis may also have other body areas affected, commonly the elbows and knees.
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Inflammation or bacterial infection of the hair opening (follicle) causes folliculitis, with one or more pimples or scabs in the scalp or beard area; pseudofolliculitis barbae, also known as . Both pseudofolliculitis barbae and acne keloidalis nuchae are most often seen in black men.
Dermatologists and doctors have diagnosed a few possible causes that might cause dark skin patches on the neck or dark skin.
Folliculitis caused by a bacterial infection may be associated with small sores or pimples in the nostrils or other body regions. Contagious skin conditions causing itchy scalp and neck include head lice (pediculosis capitis) and scalp ringworm (tinea capitis), which are most often seen in children. Head lice are often hard to see, but their eggs (nits) can be noted stuck to the hair shaft, usually in the area behind the ears or the back of the neck. Scalp ringworm (caused by several types of fungi) can show up in several ways, depending upon the type of fungus and the way the immune system of the infected person reacts. Sometimes only a bald patch of broken- off hairs is seen, while other times there are red pimples or scaly patches. Rarely there may be large areas of pus, swelling, and baldness. Click any of the images below to learn more about conditions relating to an itchy scalp.
Here are causes of dark skin on the neck and treatments for this discoloration problem. Dark Neck: Causes and Treatment. Depending on the cause of your itchy skin, it may appear normal. Or it may be red or rough or have bumps or blisters. Why Does My Neck Itch? An itchy neck can result from a number of things. How to Treat an Itching Wound. Why Does My Neck Itch?
Folliculitis. Folliculitis is a skin condition caused by an inflammation of one or more hair follicles in a limited area. It typically occurs in areas of irritation, such as sites of shaving, skin friction, or rubbing from. Although it is not related to. It is caused by infestation with the human head louse, Pediculus humanus.
It is most commonly seen in children. People with psoriasis have thickened, red, and often scaly patches on their skin.