Okay I'm 13 and I have this weird skin problem.
I've had it... well as long as I can remember, but I don't know what they are because I've never seen it on aybody else's legs. I don't know what to do but I've noticed that wenever the summer comes I eat more and they start to go away. Not completely but somewat. I way 100 lbs and I'm 5'3" I think. Please help me.

Can you describe it?

Like what it looks like?
Well their little pimple looking bumps but there not pimples.
Some are really light purple and some are pink or red.
There dry just every where all ove my thighs.

Ilma and Emland, it sounds like a skin condition called Keratosis pilaris. This skin condition appears as dry, bumpy skin behind the upper arms, thigh and the legs. Keratosis is also a hereditary condition, and it's common in teenagers. It may remain for years, but may fade slowly with age. It's known to get worse in the winter and tends to subside in summer time. Keratosis Pilaris is harmless and can't be cured, however it can be treated. Ilma, please have your parents take you to see a doctor for a proper evaluation.

You're welcome, sweetie.