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Thursday, December 4, 2008

Insect bites and stings

Bedbug - close-up
Bedbug - close-up
Black widow spider
Black widow spider
Black widow spider
Black widow spider
Body louse
Body louse
Body louse, female and larvae
Body louse, female and larvae
Brown recluse spider
Brown recluse spider
Brown recluse spider bite on the hand
Brown recluse spider bite on the hand
Crab louse, female
Crab louse, female
Dust mite
Dust mite
Flea
Flea
Flea bite - close-up
Flea bite - close-up
Fly
Fly
Head louse, male
Head louse, male
Head louse and pubic louse
Head louse and pubic louse
Head louse - female
Head louse - female
Head louse infestation - scalp
Head louse infestation - scalp
Insect bite reaction - close-up
Insect bite reaction - close-up
Insect bites and stings
Insect bites and stings
Insect bites on the legs
Insect bites on the legs
Insect stings and allergy
Insect stings and allergy
Kissing bug
Kissing bug
Lice, body with stool (Pediculus humanus)
Lice, body with stool (Pediculus humanus)
Mosquito, adult feeding on the skin
Mosquito, adult feeding on the skin
Pubic louse-male
Pubic louse-male
Stinger removal
Stinger removal
Wasp
Wasp
Definition

Insect bites and stings can cause an immediate skin reaction. The bite from fire ants and the sting from bees, wasps, and hornets are usually painful. Bites caused by mosquitoes, fleas, and mites are more likely to cause itching than pain.


Alternative Names

Bedbug bite; Bee sting; Bites - insects, bees, and spiders; Black widow spider bite; Brown recluse bite; Flea bite; Honey bee or hornet sting; Lice bites; Mite bite; Scorpion bite; Spider bite; Wasp sting; Yellow jacket sting


Considerations

In most cases, bites and stings can be easily treated at home. However, some people have a severe allergic reaction to insect bites and stings. This is a life-threatening allergic reaction known as anaphylaxis, and it requires urgent emergency care. Severe reactions can affect the whole body and may occur very quickly, often within minutes. These severe reactions can be rapidly fatal if untreated. Call 911 if you are with someone who has trouble breathing or goes into shock.

Some spider bites, like those of the black widow or brown recluse, are also serious and can be life-threatening. Most spider bites, however, are harmless. If bitten by an insect or spider, bring it for identification if this can be done quickly and safely.


Causes



Review Date: 05/11/2006
Reviewed By: Eric Perez, MD, Department of Emergency Medicine, St. Luke's-Roosevelt Hospital Center, New York, NY. Review provided by VeriMed Healthcare Network.

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