Medical Questions? Ask a Doctor Online!
When you say that the numbness is on the top, do you mean the entire extensor surface of the finger?
Is the numbness a sensation of tingling, lide when your arm falls asleep, or loss of sensation, so that if something touches the skin, it is not felt?
Is the pain in the finger along the extensor surface also, or on the flexion side, or both?
Does the pain extend anywhere else on the hand?