Meteorologia

  • 18 OCTOBER 2024
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Insect sting accounts for 20% of anaphylaxis deaths

Allergic reaction to insect bites such as bees and wasps is responsible for about 20% of deaths from anaphylaxis, the Portuguese Society of Allergology and Clinical Immunology (SPAIC) revealed today.

Insect sting accounts for 20% of anaphylaxis deaths
Notícias ao Minuto

13:19 - 15/05/24 por Lusa

País Anafilaxia

This was the third most frequent cause of allergic reaction, after food and medications.

To mark World Bee Day, which is celebrated on May 20, SPAIC cites data from the Portuguese Anaphylaxis Registry to say that allergy to bee venom was responsible for more than 5% of all cases of anaphylaxis (a severe allergic reaction that can be fatal) between 2007 and 2017.

It is also estimated that severe allergic reaction to the venom of hymenoptera, a group of insects that includes wasps, bees and ants, is responsible for about 20% of deaths from anaphylaxis.

The institution warns that "currently, allergic reactions to hymenoptera stings represent a serious health problem".

According to two immunologists from SPAIC's anaphylaxis interest group, Natacha Santos and Maria Luís Marques, anaphylaxis usually manifests itself "by a combination of skin reactions (urticaria, angioedema), gastrointestinal (vomiting, severe abdominal pain), respiratory (tightness in the throat, shortness of breath, wheezing) and cardiovascular (hypotension, dizziness, fainting)", and can be fatal.

"More than half of patients with anaphylaxis to bee venom have severe anaphylaxis with cardiovascular changes", they emphasize.

The specialists warn of the appearance of symptoms, and explain how the allergic patient should react in the event of a sting.

"In the case of a local reaction (swelling and redness at the site of the sting), the patient should wash the area thoroughly with soap and water, apply ice and may need to take medication, such as antihistamines or topical or oral corticosteroids for symptomatic relief", they say.

If the reaction is systemic, that is, if it affects the body as a whole, the patient "should call 112 immediately and say that they are developing a severe allergy", they conclude.

Read Also: 'Monsters' in a child's bedroom were, after all, thousands of bees (Portuguese version)

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