How do i get rid of blisters on my feet?

Yesterday, I was in Athletics, we were running sprints for track, and i was wearing short socks and i think that it rubbed away on the arch of my foot, which created a huge blister on both feet. It looks like there was fluid inside. Today when i was running in Track again, i couldn't run right because it hurt to run straight on my feet, i had to sprint on the side of my feet, One blister popped, and really hurts i would like to know how to get ride of my one popped blister, and the one blister with stuff still in it, so i can run right for tomorrow.