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Complications
By Mayo Clinic staff- Infected bites. If you scratch mosquito bites, any resulting sores could become infected.
- Mosquito-borne diseases. Mosquitoes can act as reservoirs of diseases such as West Nile virus, malaria, yellow fever and dengue fever. The mosquito obtains a virus by biting an infected person or animal. Then, when biting you, the mosquito can transfer that virus to you through its saliva. West Nile is found in the United States. Other diseases such as malaria and dengue fever are far more common in tropical areas of the world. However, a few cases of dengue fever have been reported in the United States.
- Severe allergic reaction (anaphylaxis). Although rare, you may have a serious reaction to mosquito bites, which can result in swelling in your throat, significant hives and wheezing. This requires immediate medical attention.
