My Arm Hurts Symptom Arm Hurts STILL 3 Weeks After H1N1 Shot?

Arm hurts STILL 3 weeks after H1N1 shot? - my arm hurts symptom

I know the symptoms to get vaccinated, but I do not believe it for so long. I have severe pain in his arm. I can not get up at a certain point. And I can not carry heavy objects, I will usually do for a long time, because my arm to be unstable and fall of things. PLZ tell me why and how can the pain