Suggest Treatment For Arm Numbness And Headache After A Head Injury

sir, i met with an accident 2 months ago ,injury at back side of head and ct scan was taken and resulted normal, wound has healed up now but im still having a truely sharp pain inside my head, im getting fainted at some times even when im idle, from 2 to 3 days my hands from elbow to finger seems to be not responding properly and im not able to hold even a pen, im very nervous now please help me .....