Jul 16, 2019 · Numb thumb or numbness in the thumb is a condition where there is abnormal or decreased sensation in the thumb due to changes in the function of the sensory nerve. 1 When this happens, a person experiences a tingling or a complete loss of sensation in the thumb. Numbness in the thumb occurs due to decreased blood supply in this region.
Aug 23, 2019 · If you feel a numbness in your thumb or hand, a nerve compression is a likely cause. While it is less common, it's important to know if the cause is something dangerous. Hand numbness may indicate serious problems such as stroke, or even a heart attack or aortic dissection.
Mar 21, 2018 · Carpal tunnel syndrome Carpal tunnel syndrome occurs when the nerve that provides feeling to your hand becomes pinched or obstructed. This condition often causes numbness in the thumb and index and.
Hand and Arm Nerve Entrapment. fingers and thumb. It also provides feeling near your palm, thumb, index and middle fingers. The ulnar nerve lies behind your elbow then runs down your arm. It moves your fingers and provides feeling near your little finger and ring finger. You may have pain, numbness and tingling in your thumb and first.