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Sleeping with a flexed wrist is a common cause of numbness and tingling upon rising, according to the National Institute of Neurological Disorders and Stroke. Another frequent cause is carpal tunnel syndrome.


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 scleros


Common causes of numb fingers include trauma, frostbite, toxin exposure and medical conditions such as diabetic nerve damage, multiple sclerosis and pernicious anemia, according to Healthline. Numb fingers occur when the blood supply to the nerves is damaged or limited, which can cause permanent ner


Individuals who experience numbness in their fingers should see a doctor if the numbness does not cease or if other symptoms, such as weakness or pain, accompany the numbness, according to Healthline. Finger numbness can occur as the result of limited blood supply or nerve damage.


Ulnar nerve compression, carpal tunnel syndrome and peripheral neuropathy can each cause numbness of the fingers of the left hand, states the Mayo Clinic. Numbness of the fingers is rarely a sign of a life-threatening condition when it is the only symptom.


To determine the cause of finger numbness, doctors typically ask the patient about symptoms such as accompanying sensations and the location, origin and duration of the numbness, according to Healthgrades. Tests including electromyography, nerve biopsy and imaging studies may be necessary to perform


Numb fingers or toes is often a sign of diabetic neuropathy, or nerve damage due to diabetes, notes the National Institute of Diabetes and Digestive and Kidney Diseases. Diabetic neuropathy is a condition that affects about 60 to 70 percent of diabetics and can affect any part of the body, including


The most common reason for middle and index finger numbness is carpal tunnel, which means the median nerve in the wrist and hand has an injury, according to About.com. Pain and weakness in the hand and wrist are other symptoms of carpal tunnel.


Treatment options for finger numbness resulting from carpal tunnel syndrome include taking nonsteroidal anti-inflammatory drugs, wearing splints at night, receiving steroids or undergoing surgery or cold laser therapy, according to Spine-health. To treat numb fingers due to rheumatoid arthritis, doc


Nerve damage due to poor blood circulation or a neurological disorder is often the cause of numbness in the tip of an index finger, states Mayo Clinic. Conditions such as carpal tunnel syndrome, diabetes and multiple sclerosis are common causes of this type of numbness, also known as peripheral neur