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 presents with small, raised 1–4 mm wheals which last for 15–30 minutes. It is also sometimes referred to as cholinergic angioedema urticaria or ...
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 minutes to 24 hours. Urticaria can co-exist with angioedema which is a deeper swelling within the skin or mucous membranes.
Urticaria and urticaria-like conditions - DermNet
Urticaria pigmentosa is a form of cutaneous mastocytosis in which there are brown macules and papules. Urticaria pigmentosa is mostly seen in infants and improves with age. It may also arise in adults when it tends to persist. Lesions may affect trunk and limbs, and less often scalp and face.
Heat urticaria - DermNet
Mar 11, 2019 · Heat urticaria must be differentiated from cholinergic urticaria (generalised heat urticaria) in that it is localised to the skin in contact with the heat stimulus and doesn’t involve the activation of sweat glands systemically. Urticaria is a common symptom and can result from many precipitating or unknown causes, as described below.
Cholinergic Urticaria Images - DermNet
Cholinergic urticaria, occasionally called heat bumps, is a common urticaria caused by sweating. View pictures of cholinergic urticaria in the gallery below. Search DermNet Ctrl K
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. It commonly affects the face (especially presenting as swollen eyelids and …
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, usually pale or skin-coloured. It is often surrounded by an area of erythema and can last from a few minutes to 24 hours.
Chronic inducible urticaria - DermNet
Sep 9, 2024 · Cholinergic urticaria can be confused with exercise-induced anaphylaxis. Aquagenic urticaria can be confused with aquagenic pruritus, cholinergic urticaria, cold urticaria, and local heat urticaria. Solar urticaria can be mistaken for sunburn or another form of photosensitivity, such as: Polymorphous light eruption; Erythropoietic protoporphyria
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 trimethoprim (see Sulfa drugs and the skin). The drug may be ingested or applied to the skin surface (contact urticaria). The clinical features and treatment ...
Aquagenic urticaria - DermNet
Aquagenic urticaria must be distinguished from other forms of inducible urticaria, including: Salt-dependent aquagenic urticaria — seawater provokes lesions but not freshwater. Aquagenic pruritus — water exposure causes itch with no associated skin lesions. Aquagenic wrinkling of the palms. Dermographism — common physical urticaria with ...