How can one get rid of a terrible arms pain.?

Rathor
First of , im not a nerd or a prep complaining about my arm, i do sports a lot (mainly soccer) and do wieght trainig regulalry, but since the past one ish week im having a really miserable pain in my left arm, i konw its because of playing dodge ball, because you have to throw the ball real hard towards your opponents, so when ever we play dodge ball in school, i get that b_itchy pain in my left arm. now how can i get rid of this pain. i have tried using balms , but still it didn't really work. what should i do. thnx guyz
How can one get rid of a terrible arms pain.?
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