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Acanthosis nigricans is a medical sign characterised by brown-to-black, poorly defined, velvety hyperpigmentation of the skin. [1] It is usually found in body folds, [2] such as the posterior and lateral folds of the neck, the armpits, groin, navel, forehead and other areas.
If your scalp is intensely itchy and you notice small white dots in your hair that are not flaky (like dandruff), you may have a lice infestation. Lice can cause aggressive scratching, which can ...
Tinea capitis (herpes tonsurans, ringworm of the hair, ringworm of the scalp, scalp ringworm, tinea tonsurans) Tinea corporis (ringworm, tinea circinata, tinea glabrosa) Tinea corporis gladiatorum; Tinea cruris (crotch itch, eczema marginatum, gym itch, jock itch, ringworm of the groin) Tinea faciei; Tinea imbricata (tokelau) Tinea incognito ...
Senile pruritus is one of the most common conditions in the elderly or people over 65 years of age with an emerging itch that may be accompanied with changes in temperature and textural characteristics. [1] [2] [3] In the elderly, xerosis, is the most common cause for an itch due to the degradation of the skin barrier over time. [4]
Small, itchy bumps: These may be red, white, or yellow and can appear around the hair follicles. They can be mistaken for acne . Pain or tenderness: The affected areas might be sore or painful to ...
The symptoms of seborrhoeic dermatitis, on the other hand, tend to appear gradually, from dry or greasy scaling of the scalp to scaling of facial areas, sometimes with itching, but without hair loss. [22] In newborns, the condition causes a thick and yellowish scalp rash, often accompanied by a diaper rash.
Hay fever sufferers in particular will notice under-eye "smudges" during the height of the allergy season. Atopy can lead to frequent rubbing of the eyes, leading to local inflammation and increased pigmentation. [4] Also, dark circles from allergies are caused by superficial venous congestion [5] in the capillaries under the eyes.
Contact dermatitis: The most common cause of itchy armpits, per Dr. Shamban, this happens when something touches your skin (i.e. a deodorant, fragrance, or detergent) and causes irritation. It ...