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The pattern of the eruption changes, with slow extension and often some clearing of the original lesions. Schamberg's disease, or progressive pigmented purpuric dermatosis, is a chronic discoloration of the skin which usually affects the legs and often spreads slowly. This disease is more common in males and may occur at any age from childhood ...
Cold urticaria (essentially meaning cold hives) is a disorder in which large red welts called hives (urticaria) form on the skin after exposure to a cold stimulus. [1] The hives are usually itchy and often the hands, feet and other parts of the body will become itchy and swollen as well. Hives vary in size from about 7 mm in diameter to as big ...
Erythromelalgia or Mitchell's disease (after Silas Weir Mitchell) is a rare vascular peripheral pain disorder in which blood vessels, usually in the lower extremities or hands, are episodically blocked (frequently on and off daily), then become hyperemic and inflamed. There is severe burning pain (in the small fiber sensory nerves) and skin ...
Erythrodermic psoriasis is serious and may be life-threatening. It causes redness and swelling in the skin that looks like a burn. This type of psoriasis covers at least 75% of the body ...
Acne. What it looks like: Acne causes red, discolored bumps on the skin, along with whiteheads, blackheads, and cysts. Other symptoms to note: Acne is the most common skin condition affecting ...
Gout can present in several ways, although the most common is a recurrent attack of acute inflammatory arthritis (a red, tender, hot, swollen joint). [6] The metatarsophalangeal joint at the base of the big toe is affected most often, accounting for half of cases. [12] Other joints, such as the heels, knees, wrists, and fingers, may also be ...
Black widow spider bites. What they look like: When a black widow spider bites, it typically causes a painful pinprick sensation. The site of the bite then swells slightly and forms a red rash ...
Trench foot, also known by other names, is a type of foot damage due to moisture. [1] Initial symptoms often include tingling or itching which can progress to numbness. [1] [2] The feet may become red or bluish in color. [1] As the condition worsens the feet can start to swell and smell of decay. [1] Complications may include skin breakdown or ...