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Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. [1] Hives may burn or sting. [2] The patches of rash may appear on different body parts, [2] with variable duration from minutes to days, and do not leave any long-lasting skin change. [2]
Hives What it looks like : Also called urticaria, hives are raised welts in the skin that appear red or discolored. They range in size from small bumps to larger patches.
The hereditary form (HAE) often goes undetected for a long time, as its symptoms resemble those of more common disorders, such as allergy or intestinal colic. An important clue is the failure of hereditary angioedema to respond to antihistamines or steroids, a characteristic that distinguishes it from allergic reactions. It is particularly ...
The hives associated with aquagenic urticaria are typically small (approximately 1–3 mm), red- or skin-colored welts (called wheals) with clearly defined edges. It most commonly develops on the neck, upper trunk and arms, although it can occur anywhere on the body. Once the water source is removed, the rash generally fades within 30 to 60 ...
Positive tests, however, may not necessarily mean there is a significant allergy to the substance in question. [14] Early exposure of children to potential allergens may be protective. [5] Treatments for allergies include avoidance of known allergens and the use of medications such as steroids and antihistamines. [6]
Urticaria, commonly known as hives, has been recognized as a medical condition for centuries, with descriptions of the characteristic skin lesions appearing in ancient medical texts. However, the understanding of urticaria as an autoimmune condition is a relatively recent development in medical history.
Rituximab is used when people do not respond to other treatments. [ 21 ] [ 22 ] As of 2016, treatments for amyopathic dermatomyositis in adults did not have a strong evidence base; published treatments included antimalarial medications, steroids , taken or orally or applied to the skin , calcineurin inhibitors applied to the skin, dapsone ...
Their use is reasonable in those who do not respond to or are not tolerant of steroids. [ 67 ] [ 68 ] Treatments are typically recommended for short or fixed periods of time rather than indefinitely. [ 5 ] [ 69 ] Tacrolimus 0.1% has generally proved more effective than pimecrolimus, and equal in effect to mid-potency topical steroids. [ 70 ]