Description: Looking for online definition of urticaria in the Medical Dictionary? urticaria explanation free. What is urticaria? Meaning of urticaria medical term. What does urticaria mean?
a pruritic skin eruption characterized by transient wheals of varying shapes and sizes with well-defined erythematous margins and pale centers. It is caused by capillary dilation in the dermis that results from the release of vasoactive mediators, including histamine, kinin, and the slow reactive substance of anaphylaxis associated with antigen-antibody reaction. It may be a reaction to drugs, food, insect bites, inhalants, emotional stress, exposure to heat or cold, or exercise. Treatment includes antihistamines and removal of the stimulus or allergen. Also called hives. See also angioedema. cholinergic urticaria. urticarial, adj.
A condition characterised by pruritic, raised red welts on the skin (dermographism), associated with allergic reactions and histamine release or defects in the complement or kinin systems.
a proliferative disorder of mast cells in humans; a similar disease has been reported in young cats. There is erythema and hyperpigmentation of the mouth, chin, neck and eyes.
Q. What caused my hives? I woke up this morning and saw that all my back and chest are covered in hives. How did this suddenly appear? What caused it?
A. Urticaria (hives) is generally an allergic reaction, or an immune response to food or some other allergen, but can also appear for other reasons, notably emotional stress.
Q. I was diagnosed with chronic urticaria. What is the reason for this condition? I was diagnosed with chronic urticaria last week after more than two months of urticaria (I have more than twenty 1 dollar coin area no my trunk that are red swollen and itchy). when I was younger I had a similar reaction too a bee sting and I was treated with an adrenalin shoot. Since that one time I never suffered from this kind of symptoms till two months ago. What can be the reason for this condition?
A. You can get pregnant you just need to tell your doctor whats going on so he can keep an eye on the issue.