I have a skin rash that has small bumps filled with a puss like substance its only on my leg and on half of it

What could this possiblely be?|||could either be poison ivy, oak or sumac, or if you are a girl it could be ingrown hairs due to shaving too much.|||go to a Dr and find out.|||Ew, GO TO THE DOCTOR!!! That doesn't sound good.|||herpes?|||If the puss is clear, could be poison ivy. Take some Benedryl - it helps most rashes.|||maybe prickly heat rash|||either a pimple or its just a really bad allergic reaction|||it might be a heat rash if it is you will have a fine rash looking something like that is so you need to get gold bond powder it is great for that kind of rash my son and niece gets it all the time good luck|||It could be your pores getting clogged up...but with the word "rash" I would definetly go see a doctor...good luck!!|||Is the rash on your lower leg and were you in the grass or sand in the last few days. It maybe fire ant bites.|||Sun Poisioing or heat rash!