Mosquitoes kill more people than any animal on the planet. You can take simple steps to protect yourself and your family. Wear insect propellant when outside and dump standing water around your home.

Mosquito Bite Symptoms and Treatment
Female mosquitoes bite people and animals to get a blood meal. Most female mosquitoes cannot produce eggs without a blood meal. Male mosquitoes do not bite people and animals.

What Happens When a Mosquito Bites You
When a mosquito bites you, it pierces the skin using a special mouth part (proboscis) to suck up blood. As the mosquito is feeding, it injects saliva into your skin. Your body reacts to the saliva resulting in a bump and itching.

Some people have only a mild reaction to a bite or bites. Other people react more strongly, and a large area of swelling, soreness, and redness can occur.

Mosquito bite signs include:

  • A puffy and reddish bump appearing a few minutes after the bite
  • A hard, itchy, reddish-brown bump, or multiple bumps appearing a day or so after the bite or bites
  • Small blisters instead of hard bumps
  • Dark spots that look like bruises

More severe reactions can occur in:

  • Children
  • Adults bitten by a mosquito species they haven’t been exposed to previously
  • People with immune system disorders
  • Mosquito bite on the inside of a person’s forearm.

People experiencing more severe reactions may have the following signs:

  • A large area of swelling and redness
  • Low-grade fever
  • Hives
  • Swollen lymph nodes


  • Wash the area with soap and water.
  • Apply an ice pack for 10 minutes to reduce swelling and itching. Reapply ice pack as needed.
  • Apply a mixture of baking soda and water, which can help reduce the itch response.
  • Anti-itch cream for a mosquito bite.
    • Mix 1 tablespoon baking soda with just enough water to create a paste.
    • Apply the paste to the mosquito bite.
    • Wait 10 minutes.
    • Wash off the paste.
  • Use an over-the counter anti-itch or antihistamine cream to help relieve the itch. Follow the product label directions.


Infected bite

  • Do not scratch bites. They can become infected.
  • An infected bite may appear red, feel warm, or a red streak will spread outward from the bite.
  • See a healthcare provider if symptoms worsen.

Mosquito-borne diseases

Trauma Coverage® provides emotional and financial resources after traumatic incidents such as contracting an infectious disease at work or school. A list of covered incidents can be found here.

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