What Are the Basics of Mosquito Bites?

What do mosquito bites look like?

Mosquitoes use their mouthparts to puncture your skin and feed on your blood. That will cause itchy bumps in punctured place. This process is called mosquito bites.

Sometimes, a mosquito bite may cause a large area of swelling, soreness and redness. These symptoms usually cure on their own in a few days.

Some mosquitoes bites can lead to severe illness through carrying some viruses or parasites. What they may transmit includes West Nile virus, yellow fever, malaria and some types of brain infection (encephalitis).


What are the symptoms of mosquito bites?

Common signs and symptoms of mosquito bites include:

  • A puffy, white and reddish bump that appears 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

Mosquito bites sometimes trigger more severe reactions in children and people with immune system disorders, such as:

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


What are causes of mosquito bites?

Female mosquitoes can cause mosquito bites. Because they need to feed on your blood. So they have a mouthpart made to pierce skin and siphon off blood. Male mosquitoes cannot do this.

Mosquitoes inject saliva into your skin and proteins in the saliva trigger a mild immune system reaction that results in the characteristic itching and bump.


How to diagnose mosquito bites?

Mosquito bites can be confirmed by visual examination. Mosquito allergy is diagnosed by determining whether the large, red areas of swelling and itching occurred after you were bitten by mosquitoes.

How to treat mosquito bites?

In most cases, mosquito bites stop itching and heal on their own in a few days. Here are some options you can take to make you more comfortable:

  • Use a lotion, cream or paste.
  • Apply a cool compress.
  • Have an oral antihistamine.

These can help to ease symptoms and make them go away quicker.


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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.