Why is my mosquito bite spreading?

I went to my doctor yesterday because i noticed in the morning that i had a big patch of purple spots and blotches on my upper thigh where i had scratched a bite of some sort (she said the purple was Purpura) She said its just bruising and that it will...

BedbugParanoiaFilter: I found a mosquito-looking bite on my torso. Can you get mosquito bites in the winter or should I be concerned about bedbugs? It's whitish in the centre with a spreading red area around it, which is exactly how my mosquito bites...

I have a mosquito bite that's going away but in the area it was in there is a little rash. It doesn't appear to be spreading but I only noticed it last night. I have been itching and lightly rubbing the skin around the bite so as not to actually scratch...

I have a raised bulls-eye rash on my arm that is spreading onto the rest of my arm and also completely around my neck is a huge extremely itchy rash. Also, since I have had the rash and bulls-eye if I get a mosquito bite it raises, then goes to a deep...

5 days ago i went to cuba and in the evenings got bitten by many mosquitos the bite marks have been itching ever since and form water bubbles and still itch it seems like there is more of them them now and spreading i know they are mosquito bites but...

The bite becomes very inflamed and keeps swelling/spreading until I take antibiotics. Is there anything I can do other than covering up and using mosquito repellant? Or is there something I can do to get rid of this allergy?

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...

Suppose a mosquito bites me and the region gets inflamed, will another mosquito bite on that region immediately? Or does it have some mechanism which realizes that the region is recently bitten?