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What Kinds of Insects Cause Allergic Reactions?
There are many different kinds of insects or “insect-like bugs” that can cause an allergic reaction:
Bees, wasps, hornets, yellow-jackets and fire ants are the most common stinging insects that cause an allergic reaction. When these insects sting you, they inject a toxic substance called venom. Most people stung by these insects recover within hours or days. In others, this venom can trigger a life-threatening allergic reaction.
Mosquitoes, kissing bugs, bedbugs, fleas and certain flies are the most common biting insects known to cause an allergic reaction. Most people bitten by insects suffer pain, redness, itching, stinging and minor swelling in the area around the bite. Rarely, insect bites may trigger a life-threatening allergic reaction.
A bite from a Lone Star tick can cause people to develop an allergy to meat. These ticks carry alpha-gal (a sugar). When a tick bites a person, it transfers alpha-gal into the bloodstream. The person’s immune system then reacts to it. Alpha-gal is also found in mammal meat (beef, lamb, pork). If you have allergy symptoms after eating meat, see an allergist.
Non-stinging and non-biting insects can also cause allergic reactions, particularly cockroaches and insect-like dust mites. These two insects may be the most common cause of year-round allergy and asthma. Unlike a cockroach, a dust mite is too small to see with the naked eye. The cockroach and dust mite’s waste and body cause allergic reactions. They also can trigger asthma symptoms and asthma attacks.
READ: The Most Common Bug Bites & How to Treat Them
Most people stung or bitten by insects suffer pain, redness, itching and minor swelling in the area around the bite or sting. This is a normal reaction. Most people get better within hours or days.
People can have a serious allergic reaction to stinging or biting insects. A life threatening allergic reaction (anaphylaxis) produces signs and symptoms that require immediate medical attention.
Without immediate treatment, anaphylaxis may cause death.
Symptoms usually involve more than one organ system (part of the body), such as the skin or mouth, the lungs, the heart, and the gut. Some symptoms include:
WakeMed Urgent Care offers a wide range of adult and pediatric services for patients ages 4 months and up with multiple locations to serve you. Now you can get care any time without leaving the comfort of your home! Learn more about WakeMed Urgent Care eVisits.
Dr. Patrick Donahue is the Medical Director for WakeMed Physician Practices – Urgent Care.
3000 New Bern Ave.
Raleigh, NC 27610