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Severe hand eczema is characterised by consistent or recurring, extended inflammation of the skin that severely affects the patient. Hand eczema is described as chronic if it lasts at least 3 months in spite of dermatological treatment, or if it recurs at least twice within a period of 12 months (relapsed) .
Porphyria cutanea tarda is the most common subtype of porphyria. [ 1] The disease is named because it is a porphyria that often presents with skin manifestations later in life. The disorder results from low levels of the enzyme responsible for the fifth step in heme production. Heme is a vital molecule for all of the body's organs.
The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3]
But any unprotected UV exposure can damage the skin, causing signs of premature aging, like discoloration and wrinkles, and increase the risk of skin cancer — which is why sunscreen is a must ...
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 and feet will become itchy and swollen as well. Hives vary in size from about 7 mm in diameter to as big as about 27 mm or larger.
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 ...
Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure. The second and subsequent exposures produce photoallergic skin conditions ...
245 million in 2015 [ 6] (3.34% of world population) Dermatitis is a term used for different types of skin inflammation, typically characterized by itchiness, redness and a rash. [ 1] In cases of short duration, there may be small blisters, while in long-term cases the skin may become thickened. [ 1] The area of skin involved can vary from ...