Search results
Results from the WOW.Com Content Network
Hives, or urticaria, is a form of skin rash with red, raised, itchy bumps. [1] They may also burn or sting. [2] Hives can appear anywhere on the surface of the skin. Whether the trigger is allergic or not, a complex release of inflammatory mediators, including histamine from cutaneous mast cells, results in fluid leakage from superficial blood ...
But, if your hives come with other symptoms, like a racing heart or difficulty swallowing, it's likely signaling anaphylaxis. “It’s an itchy, transient rash that swells but eventually goes ...
In case you’re not familiar with anaphylaxis, symptoms can include trouble breathing, hives or swelling, tightness of the throat, and a hoarse voice, the AAAAI says. It can also include ...
Anaphylactoid reaction, non-immune anaphylaxis, or pseudoanaphylaxis, is a type of anaphylaxis that does not involve an allergic reaction but is due to direct mast cell degranulation. [ 10 ] [ 42 ] Non-immune anaphylaxis is the current term, as of 2018, used by the World Allergy Organization [ 42 ] with some recommending that the old ...
One type causes a rash on the skin; another can cause anaphylaxis, which can result in a swelling of the airways and difficulty breathing. Causes of latex allergy
[25] [26] [27] Depending on the severity, anaphylaxis can include skin reactions, bronchoconstriction, swelling, low blood pressure, coma, and death. This type of reaction can be triggered suddenly, or the onset can be delayed. The nature of anaphylaxis is such that the reaction can seem to be subsiding but may recur throughout a period of time ...
Plymouth native Maggie Habashy was diagnosed with exercise-induced anaphylaxis – a rare and dangerous allergy that can trigger anything from hives and vomiting to life-threatening throat ...
In severe cases, drinking water can result in swelling of the oral cavity, [3] swelling of the throat, [4] and in extreme cases, anaphylaxis. [5] [6] [7] The hives associated with aquagenic urticaria are typically small (approximately 1–3 mm), red- or skin-colored welts (called wheals) with clearly defined edges. It most commonly develops on ...