Insect Allergy


Allergies are abnormal or adverse reactions to a substance. Insect allergies are a reaction to insect stings or bites. It can also occur with exposure to such insects in an environment.
Insect Bites
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Stinging insects include:
Biting insects include:
Insects that cause respiratory allergies include:

Risk Factors

Other factors that may increase your chance of insect allergies include:


An allergy to biting and stinging insects can affect the area around the bite or sting and cause:
Anaphylaxis can be a life-threatening reaction that causes:
Some insects cause respiratory allergies that result in:


You will be asked about your symptoms and medical history. A physical exam will be done. Most diagnoses are based on a history of a reaction after a sting. For those with a severe insect allergy, stings may be life-threatening. Therefore, it is important to see an allergist or immunologist (doctor who specializes in allergies).
Tests include:


Some reactions cause trouble breathing. In this case, call for emergency medical services.
Treatment may include:


To reduce your chance of having an allergic reaction to either biting or stinging insects:
To reduce your chance of having an allergic reaction to insects that provoke respiratory responses:


American Academy of Allergy, Asthma, and Immunology

Family Doctor—American Academy of Family Physicians


About Kids Health—The Hospital for Sick Children

Health Canada


Hymenoptera sting allergy. EBSCO DynaMed website. Available at: Updated January 6, 2014. Accessed September 23, 2015.

Insect sting allergy. American College of Allergy, Asthma, and Immunology website. Available at: Accessed September 23, 2015.

Rank MA, Li JT. Allergen immunotherapy. Mayo Clin Proc. 2007;82:1119-1123.

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