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Stinging Insect Allergies
(Bee Stings, Wasp Stings, Others)

What are stinging insects?

The majority of stinging insects in the United States are from Bees, Yellow Jackets, Hornets, Wasps and Fire Ants. Except for fire ants all of these insects are found throughout the United States. Fire ants are at this time found only in the southeastern United States.

Who is at risk?

Over 2 million Americans are allergic to stinging insects. The degree of allergy varies widely. Most people are not allergic to insect stings and most insect stings result in only local itching and swelling. Many, however, will have severe allergic reactions. 50 to 150 deaths occur each year from these stings, and up to a million hospital visits result form insect stings. If you are known to be allergic to insect stings, then the next sting is 60% likely to be similar or worse than the previous sting. Since most stings occurring in the summer and fall, you are at greatest risk during these months.

What types of insect sting reactions occur?

Most insect sting reactions are not allergic and result in local pain, itching, swelling and redness at the site of the sting. Some extension of the swelling is expected. Local treatment is usually all that is needed for this type of reaction. Disinfect the area, keep clean and apply ice. If the swelling increases antihistamines and possibly steroids may be needed. Occasionally, the site will become infected and antibiotics are needed. Large local non allergic reactions (occurring 10% of the time) are often alarming and can persist for days. This is usually not a cause for concern and are best treated as above.

The most serious reaction is the allergic reaction. The allergic reaction to insect sting varies from person to person. The most serious is called anaphylaxis and as indicated above can be fatal. Severe reactions are suspected if a person experiences hives and intense itching at sites other than the sting site. Difficulty breathing, swallowing, hoarseness, swelling of the tongue, dizziness and fainting are signs of a severe allergic reaction. These types of reactions usually occur within minutes of the sting, but have been known to be delayed for up to 24 hours. Prompt treatment is essential and emergency help is often needed.



Next: How is a severe allergic reaction immediately treated? »


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