Suggest Treatment For Pain In Arm Caused After A Work Out

Hey,I'm 16 years old and i was at home workingout with 10 pounds dumbells doing curls with them.The first day I was sore,but my left arm was more sorer then my right.So then the next day I work out again doing the same thing 60 reps with 10 pounds weights.After a couple of mins after my workout I counld't move my left arm all the way down and it became puff .Can you please help me and tell me what can I do so my arm can go back to it normally self.I'm 5'7 150 and this is my first time every happen to me. I also have weight trainnig and I play three sports