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Mosquito Bites and Itching: After mosquito bites, itching and swelling occurs on the skin. Actually this is a defensive reaction of our body towards mosquito saliva. When female mosquitoes release saliva to suck blood, our immune system releases a chemical called histamine, which causes swelling and itching at that spot.

Why does itching and swelling occur after mosquito bites? What is the science behind it?Zoom

After a mosquito bite, the body releases a chemical, which causes itching.

Mosquito Bites Effect on Skin: With the onset of summer, the terror of mosquitoes has increased. Serious diseases like dengue, malaria and chikungunya also spread due to mosquito bites. When you are bitten by a mosquito, there is itching, burning sensation and a small red bump at that place. Many people think that this happens due to mosquito sting, but it is due to our body’s reaction. Because of this, people start feeling itching after mosquito bites. Mosquitoes not only drink our blood, but they also leave their saliva inside our skin, which spreads diseases.

Why does it itch after a mosquito bite?

of America of cleveland clinic Report according to When a mosquito bites, it leaves its saliva inside our skin. Our body sees the saliva released by mosquitoes as an allergen. As soon as this saliva enters the skin, our immune system immediately becomes active. To remove this allergen from the body, the immune system sends a chemical called histamine to the mosquito bite site. The function of histamine is to widen the blood vessels to allow white blood cells to reach the site of infection. Due to this histamine, there is a slight swelling at that place and itching starts. Most people are allergic to mosquito bites.
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Why does a mosquito leave saliva on the skin?

Medical News Today reports That when a mosquito sits on your skin, it pricks its sting inside the skin in search of blood vessels. Before sucking blood, he injects his saliva into your veins. This saliva contains special types of enzymes and proteins, which work as anti-coagulants. Their main function is to prevent blood from clotting, so that mosquitoes can easily suck the thin blood without any hindrance. If the mosquito does not do this, our blood will clot as soon as it comes in contact with air and will get stuck in the mosquito’s sting.

How to get relief from itching if mosquito bites you?

According to health experts, after a mosquito bite, the first thing to do is wash the area with soap and water. Ice application is most effective in reducing itching, because it shrinks the blood vessels and reduces the effect of histamine. Apart from this, applying calamine lotion or aloe vera gel also provides coolness to the skin. Although all these measures will give you relief from itching, but if an infected mosquito bites, the virus will reach your body. Due to this you can get diseases like dengue, malaria and chikungunya. Therefore, it is very important to protect yourself from mosquitoes. To avoid mosquitoes, use mosquito nets or mosquito repellents at night.

About the Author

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Amit Upadhyay

Amit Upadhyay is a seasoned journalist from the Lifestyle team of News18 Hindi, with over 9 years of experience in print and digital media. They are research-based and based on interviews with doctors related to health, wellness and lifestyle.read more



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