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They appear small at first, like a dry red spot which is slightly itchy. When scratched or picked, the top layer of dry skin is removed, leaving dry, red skin beneath with white, dry areas marking where flakes of dry skin stop and start. In the weeks that follow, the spots can grow to as much as an inch in diameter.
Psoriasis is a long-lasting, noncontagious autoimmune disease characterized by patches of abnormal skin. [4] [5] These areas are red, pink, or purple, dry, itchy, and scaly.[8] [3] Psoriasis varies in severity from small localized patches to complete body coverage. [3]
A petechia (/ p ɪ ˈ t iː k i ə /; [1] pl.: petechiae) is a small red or purple spot (≤4 mm in diameter) that can appear on the skin, conjunctiva, retina, and mucous membranes which is caused by haemorrhage of capillaries. [2] [3] The word is derived from Italian petecchia 'freckle', of obscure origin. [1]
The extra skin cells form itchy, scaly, red patches. In addition to red, patchy skin, you may have joint pain or pitted or thickened nails. In skin of color, the rashes appear more dark brown or ...
The back of the neck is one of the most common spots to have a neurodermatitis patch. Treating neurodermatitis generally requires breaking the itch-scratch-itch cycle, which may be challenging.
Small red dots on the skin, or larger, bruise-like spots that appeared after taking medicine Anywhere Pityriasis Rosea: Started with a single scaly, red and slightly itchy spot, and within a few days, did large numbers of smaller patches of the rash, some red and/or others tan Chest and abdomen Dermatitis herpetiformis
Extended patch testing may be useful to also rule out allergic contact causes. [5] If the skin biopsy show signs of other components such as bacteria, the healthcare workers can do further lab testing such as culture or other test like a diascopy. [25] Other skin diseases that may resemble perioral dermatitis include: Rosacea; Acne vulgaris
Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic ...
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