Insect stings
Venom from stinging insects, which in some people causes a reaction across the whole body. 2 guides, each with its sources.
Bee and wasp stingsHoneybees, yellow jackets, wasps and hornets cause most US insect stings. In some people their venom causes an allergic reaction that can be life-threatening.Fire antsImported fire ants infest large parts of the southern US and sting many times at once. Their stings can cause an allergic reaction that can be life-threatening.