What is diffuse urticaria?
Urticaria (hives) is a vascular reaction of the skin marked by the transient appearance of smooth, slightly elevated papules or plaques (wheals) that are erythematous and that are often attended by severe pruritus.
Does pressure urticaria go away?
Delayed pressure urticaria (DPU) is a chronic disease that can last for years (mean, 9 y; range, 1-40 y). The morbidity of DPU varies, depending on the severity and the response to treatment. In some patients, this condition can be disabling, especially in patients who perform manual labor.
How is cholinergic urticaria treated?
Traditional treatment options for cholinergic urticaria are antihistamines, leukotriene inhibitors, and immunosuppressives. However, cholinergic urticaria in some patients may be refractory. Sometimes, an attack of cholinergic urticaria can be aborted by rapid cooling.
Is cholinergic urticaria serious?
Anyone can get cholinergic urticaria. Some people with CU have only a mild case of the condition; but others can get a serious or life-threatening version of the disease.
Can stress cause cholinergic urticaria?
Common causes of cholinergic urticaria include increase in body temperature (e.g., following a hot bath or shower), emotional stress, exercise, or consumption of spicy food (Fig. 15.42).
Is urticaria stress related?
Chronic urticaria (CU) belongs to a group of psychodermatological disorders, thus stress can play a significant role in this dermatosis onset and/or exacerbation. On the other hand, the disease itself accompanied by itch, may be a source of distress and could worsen patients’ quality of life (QoL).
Can chronic urticaria cause death?
A person with chronic urticaria may have hives every day for months or years. It is not possible to catch hives from another person. However, in some cases, hives occurs with a contagious infection. If a person has hives, they have a risk of developing a life threatening condition called anaphylaxis.
Is cholinergic urticaria and autoimmune disease?
The urticaria is “autoimmune”. The immune system is attacking the normal tissues of the body and causing hives as a result.
What cancers cause urticaria?
The association of malignant tumor and chronic urticaria remains controversial. Several cases of malignant tumors have been reported in association with urticaria, including leukemias and lymphomas,17,18 myeloma,19 testicular cancer,20 ovarian carcinoma,21 lung cancer,22 colon cancer,23 and thyroid carcinoma.