What Causes Numbness in Your Fingers?


Quick Answer

Finger and hand numbness can have a variety of causes ranging from damage caused by alcoholism and diabetes to nerve damage and a brachial plexus injury, according to the Mayo Clinic. Finger numbness can also be a symptom of other diseases such as Raynaud's disease, Lyme disease and multiple sclerosis.

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What Causes Numbness in Your Fingers?
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Full Answer

Numbness in fingers can be a simple matter of not getting enough vitamin B12 or hitting the ulnar nerve in the arm, states the Mayo Clinic. It can be somewhat more serious when some sort of trauma injures the brachial plexus nerves, resulting in finger and arm numbness. Treatments include eating more foods rich in vitamin B12 or giving the brachial plexus nerves time to heal. An individual can also do wrist exercises to relieve ulnar nerve compression, explains the American Academy of Orthopaedic Surgeons.

Some causes require help, such as numbness due to alcoholism, the Mayo Clinic says. Type 2 diabetes can also cause numbness in the hands and feet. This condition can be managed with a proper diet, exercise and insulin therapy. Raynaud's disease is a condition that constricts arteries and causes poor blood circulation, resulting in numbness in the fingers and toes. It can be treated with exercise and stress control.

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