Search results
Results from the WOW.Com Content Network
Signs and symptoms. 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 ...
Hives, also known as urticaria, is a kind of skin rash with red, 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 does not leave any long-lasting skin change. [2] Fewer than 5% of cases last for more than six weeks (a condition ...
Urticarial vasculitis (also known as " chronic urticaria as a manifestation of venulitis ", " hypocomplementemic urticarial vasculitis syndrome ", " hypocomplementemic vasculitis " and " unusual lupus-like syndrome ") [1] is a skin condition characterized by fixed urticarial lesions that appear histologically as a vasculitis. [2]: 834.
The term papular urticaria [4] is commonly used for a reaction to mosquito bites that is dominated by widely spread hives. Here, papular urticaria is regarded as a symptom of mosquito bite allergy manifested in individuals with one of the other mosquito bite allergies but particularly in those associated with eosinophilic cellulitis.
However, the understanding of urticaria as an autoimmune condition is a relatively recent development in medical history. [14] The term autoimmune urticaria refers to a subset of chronic spontaneous urticaria (CSU) cases where the immune system appears to play a significant role. This understanding began to evolve in the mid to late 20th ...
Gianotti–Crosti syndrome (/ dʒ ə ˈ n ɒ t i ˈ k r ɔː s t i /), also known as infantile papular acrodermatitis, [1] papular acrodermatitis of childhood, [1] and papulovesicular acrolocated syndrome, [2]: 389 is a reaction of the skin to a viral infection. [3] Hepatitis B virus [4] and Epstein–Barr virus are the most frequently reported ...
Diagnosis of urticaria pigmentosa (cutaneous mastocytosis, see above) can often be done by seeing the characteristic lesions that are dark brown and fixed. A small skin sample may help confirm the diagnosis. [citation needed] In case of suspicion of systemic disease the level of serum tryptase in the blood can be of help.
Chronic spontaneous urticaria (CSU) also known as Chronic idiopathic urticaria (CIU) is defined by the presence of wheals, angioedema, or both for more than six weeks. The most common symptoms of chronic spontaneous urticaria are angioedema and hives that are acompanied by itchiness. Chronic spontaneous urticaria, despite its cause being ...