Fastest cure for a blister??

i have a blister from my track spikes..... it opened today and it still very raw and painfull........some of like the overskin is still there but not all of it should i just let that skin be and let it grown over part of the open blister or should i cut it off and let the whole thing heal the same way.....and i have practice tomorrow againany suggestions for ways to lessen then pain while i run??