My left wrist has been hurting for a couple days and i dont know why...?

Now, it doesnt hurt when i move it up and down. only when i move it left to right, you know side ways. its not swollen from what i see. What do you think it is? Is it carpal tunnel ? Fractured? What? Thanks for your help. :]
Answer:
omg i had the same problem i just wrapped it in a bandage and it should feel better in about two weeks

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