Urticaria (Hives): a complete overview - DermNet
Urticaria can be acute or chronic, spontaneous or inducible. A weal (or wheal) is a superficial skin-coloured or pale skin swelling, usually surrounded by erythema that lasts anything from a few …
Acute urticaria: Causes, Features, and Treatment - DermNet
Acute urticaria can be induced by the following factors but the cause is not always identified. Acute viral infection — an upper respiratory infection, viral hepatitis, infectious mononucleosis. …
Urticaria and urticaria-like conditions - DermNet
Urticarial dermatitis presents with both urticaria-like and eczema -like lesions. Urticarial dermatitis usually affects elderly patients. Persistent red itchy plaques may have a smooth surface …
Urticaria in children - DermNet
Apr 4, 2019 · Urticaria refers to a group of conditions in which weals (hives) or angioedema (swelling) develop in the skin. It is very common in children. A weal is a superficial swelling, …
Cholinergic Urticaria: Causes, Treatment, and Images - DermNet
Cholinergic urticaria is a common chronic inducible urticaria that is characterised by the presence of short-lived transient hives (itchy bumps) due to stimuli that induce sweating. It typically …
Delayed pressure urticaria - DermNet
Pressure urticaria is a form of chronic inducible urticaria characterised by the appearance of weals and/or angioedema after pressure to the skin. Pressure urticaria may occur immediately after …
Chronic spontaneous urticaria - DermNet
May 15, 2018 · Chronic spontaneous urticaria refers to chronic urticaria that has no specific cause or trigger. Weals are present on most days of the week for 6 weeks or more. Chronic …
Chronic urticaria - DermNet
Chronic urticaria describes transient weals coming and going for more than 6 weeks. Urticaria. Urticaria in skin of colour. Urticarial rash in skin of colour. Angioedema is more often localised. …
Urticaria and angioedema images (hives) - DermNet
Images of urticaria, angioedema (hives). Authoritative facts about the skin from DermNet New Zealand.
Drug-induced urticaria - DermNet
Drug-induced urticaria is the term used when urticaria is caused by a drug, most often penicillin, a non-steroidal anti-inflammatory agent (NSAID), or sulfamethoxasole in combination with …