25
May
Insect Bites And Allergic Reactions. Some people have an allergic reaction to insect bites. A toxic reaction may include gastrointestinal symptoms fever headache dizziness or convulsions often following an episode of multiple stings. The symptoms may appear similar to an allergic reaction but the underlying mechanism is different. Papular urticaria is a hypersensitivity to bug bites.
Insect bites are a less common cause of anaphylaxis than insect stings. The condition causes a bump or red welts on the skin in reaction to an insect bite or sting. Bites from mosquitoes carrying certain viruses or parasites can cause severe illness. Allergic reactions to bites and stings. Mosquitoes horseflies and thrips cause local reactions. Can also cause allergic reactions.
Some insects inject substances venom which can cause a toxic reaction.
The most serious reaction to an insect sting is an allergic one. However some stings can be painful and trigger a serious allergic reaction. Not only Hymenoptera stings but also bites and stings from other insects as well as skin contact with insect components can cause allergic andor toxic skin reactions. Adults are at the greatest risk of a severe allergic reaction. Many of the mosquito saliva proteins can cause immune reactions including allergic reactions. Can also cause allergic reactions.