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Angioedema is an area of swelling of the lower layer of skin and tissue just under the skin or mucous membranes. [1] [3] The swelling may occur in the face, tongue, larynx, abdomen, or arms and legs. [1] Often it is associated with hives, which are swelling within the upper skin. [1] [3] Onset is typically over minutes to hours. [1]
Hereditary angioedema (HAE) is a disorder that results in recurrent attacks of severe swelling. [3] The swelling most commonly affects the arms, legs, face, intestinal tract, and airway. [3] If the intestinal tract is affected, abdominal pain and vomiting may occur. [1] Swelling of the airway can result in its obstruction and trouble breathing. [1]
Common appearances of cutaneous edema are observed with mosquito bites, spider bites, bee stings (wheal and flare), and skin contact with certain plants such as poison ivy or western poison oak, [6] the latter of which are termed contact dermatitis. Another cutaneous form of edema is myxedema, which is caused by increased deposition of ...
Hornet stings are more painful to humans than typical wasp stings because hornet venom contains a large amount (5%) of acetylcholine. [ 8 ] [ 9 ] Individual hornets can sting repeatedly. Unlike honey bees , hornets do not die after stinging because their stingers are very finely barbed (only visible under high magnification) and can easily be ...
Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. [1] Hives may burn or sting. [2] The patches of rash may appear on different body parts, [2] with variable duration from minutes to days, and do not leave any long-lasting skin change. [2]
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." That dangly thing in the back of your throat (a.k.a. your uvula) is pretty important—it helps you ...
Yellowjacket sting in its sheath in the scanning electron microscope. Among arthropods, a sting or stinger is a sharp organ, often connected with a venom gland and adapted to inflict a wound by piercing, as with the caudal sting of a scorpion. Stings are usually located at the rear of the animal.
Keep in mind that your bite could also look like a wasp sting or even a rash from coming into contact with plants (like nettles) outside, Gangloff-Kaufmann says. Spider bite symptoms and warning signs