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Venom from stinging or biting insects such as Hymenoptera (ants, bees, and wasps) or Triatominae (kissing bugs) may cause anaphylaxis in susceptible people. [ 9 ] [ 33 ] [ 34 ] Previous reactions that are anything more than a local reaction around the site of the sting, are a risk factor for future anaphylaxis; [ 35 ] [ 36 ] however, half of ...
Insect sting allergy is the term commonly given to the allergic response of an animal in response to the bite or sting of an insect. [1] Typically, insects which generate allergic responses are either stinging insects (wasps, bees, hornets and ants [2]) or biting insects (mosquitoes, ticks).
Mosquito saliva contains >30 potentially allergenic proteins. More than 11 of these have been identified in the saliva of the Aedes egypti mosquito. Four such proteins, termed Aed a 1 (an apyrase), Aed 2 (Female-specific protein, D7), Aed 3 (an as yet undefined protein), and Aed a 4 (an α-glucosidase) have been purified as recombinant proteins.
It can also cause swelling, redness, pain and numbness or tingling radiating out from the bite, MedlinePlus says. And, unlike, brown recluse bites, a black widow spider bite can cause symptoms ...
In severe cases, allergies can cause anaphylaxis, which is a life-threatening condition. Seasonal allergies only occur during certain times of the year, ...
Some people’s immune system reacts to certain types of food as a threat. In most cases, the reaction is distressing but mild. But in severe cases an allergy can cause anaphylaxis – which the ...
In a small number of cases, the second occasion of a bee or wasp sting causes a severe allergic reaction known as anaphylaxis. [1] While the overwhelming majority of insects withdraw their stingers from their victims, a few insects leave them in the wounds.
Hypersensitivity can be attributed to certain medical problems such as heart conditions or diabetes. Bacterial infections attributed to sting injuries also pose a problem and may require further medical attention. Most humans can withstand many stings, but others may suffer from severe reactions such as anaphylaxis. [45]