Help with knee pain?!?!

during my hockey game today, i got hit and banged up my knee pretty bad...i have a knot the size of my fist on the side and i feel pressure whenever i try to put weight on it. ive been elevating it and icing it, but nothing seems to be helping the pain. i have to go to school tomorrow and walk to all my classes, and i know it's going to be sore. what should i do about the pain and about my school dillema.?

ps. the swelling has gone down a bit, and i move it slightly, but its extremely hard to put weight on it and i cant bend it hardly at all.Health Question & Answer

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