Introduction to Insect Bites and Stings
Insect bites or stings can cause a range of inflammatory reactions, which are caused
when an insect injects venom or other substances into your skin. The severity of
the reaction depends on your particular sensitivity to the substance.
Most reactions are mild, causing little more than itching, a stinging sensation,
or mild swelling that disappears within a day or so. Stings from bees, wasps, hornets,
yellow jackets, and fire ants typically fall into this category. Bites from mosquitoes,
flies, and some spiders also can cause reactions, but these are generally milder
than stings.
Insect bites or stings may also produce a delayed reaction with symptoms of hives,
fever, painful joints, and swollen glands. The same bite or sting may cause both
immediate and delayed reactions.
It is important not to scratch insect bites or stings, as scratching can cause further
infection.
Only a small percentage of people develop severe reactions to insect venom. Signs
and symptoms of a severe reaction include facial swelling, difficulty breathing,
and shock. If you are concerned about an insect bite or sting, you should contact
your doctor immediately. Severe reactions may progress rapidly. If you have a severe
reaction, dial 911 or call for emergency medical assistance.
Treating insect bites
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