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March 19, 2021 2 min read

Have you ever had a mosquito bite that itches so much that it almost drives you insane? Have you ever wondered why Mosquito bites itch?  

According to the CDC:

"When a mosquito bites you, it pierces the skin using a special mouthpart (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."


The swelling around the bite is caused by histamine, which is produced by the immune system. Histamine increases blood flow and white blood cell count around the affected area, which causes inflammation or swelling. Mosquito bites itch because histamine also sends a signal to the nerves around the bite.

Many times after we are bitten we don't even know until we begin to feel the bump and the itching. Those sneaky pests are very discreet at times and after they've bitten us things can become unbearable. 

Mosquitoes bite humans to drink their blood. The nutrients contained in a human’s blood help female mosquitoes to make the eggs they need to reproduce. Only female mosquitoes bite people. A mosquito uses the sharp tip of its straw-like mouth (proboscis) to pierce a person’s skin. It locates the blood vessel and draws blood up through its mouth. It injects saliva that contains an anticoagulant. This stops the person’s blood from clotting. If the blood were to clot around the mosquito’s mouth, it might get stuck.

It is advisable not to continue scratching the bites because it can increase the inflammation. It is best to treat these bites. 

MAYO Clinic has given advice on what to do to treat these bites. They said:

  1. Apply a lotion, cream or paste. Putting calamine lotion or nonprescription hydrocortisone cream on the bite can help ease the itch. 
  2. Apply a cool compress. Try soothing the bite by applying a cold pack or a cool, moist cloth for a few minutes.
  3. Take an oral antihistamine.

At Repellentzon, our goal is to help people avoid the stress of mosquito bites. We sell Mosquito nets for the entire body, strollers, beds, and more. Check out our website at