“How do I get rid of numbness in my arm?”

This can mean a wide range of diagnoses, only a few can be serious. A thorough neurological examination by a neurologist is needed.

You first have to determine if there is an underlying cause for compression or other irritation of the nerve supplying the area. Treatment depends on cause and associated symptoms. It would be helpful to see a physician if it is not due to such simple causes like tight clothing or posture.