Anaphylaxis is a severe allergic reaction that occurs when the body responds in an extreme manner to the venom. Symptoms include: difficulty breathing; development of hives; swelling of the lips, tongue, or throat; gastrointestinal symptoms such vomiting; light-headedness; and even loss of consciousness.
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During this test, your healthcare provider will take a small sample of your blood. They will send the sample to a lab to analyze the IgE antibodies in your blood. If you have high levels of IgE, you may be allergic to a particular insect's venom. It can take a few days to get the results from this kind of test.
So it's possible that if were stung by a bee you may develop an allergy based on your genetic background. But this generally isn't the case. Unfortunately, the only way to know for sure is for the person to be stung -- which is something you hope to avoid.
If you are insect-allergic, after the first sting, your body produces antibodies called Immunoglobulin E (IgE). If stung again by the same kind of insect, the venom interacts with this specific IgE antibody, triggering the release of substances that cause an allergic reaction.
Dyspnoea often occurs and can be due either to laryngeal oedema or to asthma. In severe reactions hypotension occurs, causing lightheadedness, giddiness, fainting, or loss of consciousness. Other less common features are abdominal pain, incontinence, central chest pain, or visual disturbances.
If you are insect-allergic, after the first sting, your body produces antibodies called Immunoglobulin E (IgE). If stung again by the same kind of insect, the venom interacts with this specific IgE antibody, triggering the release of substances that cause an allergic reaction.
For a small number of people with venom allergy, stings may be life-threatening. This reaction is called anaphylaxis (an-a-fi-LAK-sis). Symptoms may include two or more of the following: itching and hives, swelling in the throat or tongue, difficulty breathing, dizziness, stomach cramps, nausea or diarrhea.
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