When people get acne, why does it itch??

So I hear there is a face medication for acne called Differin. does anyone know where to get it?

What are skin tags exactly? How do you get rid of them? What causes them? --- How can I get rid of my acne? Is there any good...

how do I prevent being sick, when the people around me are???

how do people get a hold of tape worm eggs? Don't they have to be taken out of someone's poop? eww, is that how tapeworm eggs...

Is it true that when you donate blood you get fat..?

Why do people get bruises? Cause I've had one for about a month and its still purplee . Whats the longest youve had onee.

ok so I've had acne on my face since I was ten and last year when I was 12 I started getting bacne ya know acne on your back...

I have a dry face, and yes I DO mosturize and use a non-commericial product called N°7, and it is working, slowly. I need som...

it seems to only happen at night but my legs get extremely itching. ive tried moisturizing but it only makes them burn and it...

What do you do about Jock Itch is their like a cream or something that you can use to get rid of it?