OK , so the other day I woke up with a bite on my belly kind of under my breast . Well after that hilled up , I started noticing these bumps starting to pop up on my legs, the side of my foot and on top . My arms & my back,! Some are spread out and some of them are Next to each other . That one on...

What the heck is this? If I get sun both my arms get covered I'n bumps look Luke mosquito bites but when I scratch them it burns like a sun burn? What is this? Please help?

I have small red bumps a lot of them on arms top of hands calves front and back and thighs... help slightly itchy just weird out of nowhere came up?

OK so I have had these stupid itchy bumps on my legs and arms for a little and I would like to know why, its driving me nuts, they arnt everywhere, just random places. Oh and they are all different sizes and red, just red and friggin itchy, like mosquito bites but I know there not