What is the reaction after mosquito bite?

I haven't gotten a mosquito bit in years, since I live in a relatively dry place. But it's been abnormally humid this year with monsoons, and I got 11 mosquito bites while down by the creek a few days ago. They looked like little red bumps at first,...

So, I remember waking up after a 3 hour nap to scratching my knee. I was like "why is my knee so itchy?" and I raised it up and found about 8-10 huge mosquito bite bumps on my knee. Like when a mosquito bites you and then it gets itchy, and...

I'm not sure if this is an allergic reaction, because I've had mosquito bites before and they looked normal.However, this one, i'm not so sure about. I don't even know if it is a mosquito bite. It's on the back of my thigh, and I've never had one this...

I was walking in the woods yesterday and got two bites. They just looked like regular mosquito bites and they actually didn't itch. Then this morning (day after) They were HUGE! I have one on my stomach and arm. If I don't itch them they'll go away overnight...

Last night I was at a bonfire and got a few mosquito bites on my foot. I normally react very harshly to mosquitos, like major swelling. Well these mosquito bites started out normal, a little swollen and itchy. I just tried getting out of bed and almost...

Please please please can any one help? i have a severe reaction to mosquito bites - which swell up to the size of tennis balls! i wish i was exaggerating! I have literally tried every spay, lotion, anti-histamine, lemon, citronella etc etc and NOTHING...