Why we itch when mosquito bites

Itching is going after a mosquito bites an indication of sensitization. We lost to the mosquito was thrown under the skin of it and people often feel itchy after being bitten, but there are some lucky people who live in exceptional cases, female mosquitoes only bite to eat blood, then. Each animal (Male mosquitoes feed on nectar from flowers only) to bite, it was pointed out mouth pieces into the skin. Then push the mouth of the hollow tube of it into the blood rise and take 1-2 drops of blood to suck it up and eat it like blood clotting, we stuck the needle itself that this is because the fluid in the mouth. Mosquitoes cause blood clotting, and most people are allergic to the liquid itself. Because as soon as the liquid underneath the skin, even a little. The skin will swell up and itch.