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What causes numbness in hands and feet?

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Neuropathy.. Blocked nerve in neck.. Get a check-up to determine the cause.

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Numbness in hands and feet can be caused due to various reasons ranging from nutrition to a serious illness or nervous system disorder.

Vitamin Deficiency
Deficiency of essential vitamins like vitamin B5, B6 and B12, vitamin A and vitamin D can cause numbness in hands and feet along with cold hands and feet, fatigue, muscle weakness and loss of sensation.

Numbness in hands and feet is an important symptom of diabetes, especially type II diabetes. The high blood sugar and glucose levels of diabetics causes the nervous system to malfunction and eventually leads to its damage. Read more on left arm numbness and tingling.

Multiple Sclerosis
Numbness in hands and feet while sleeping is an important symptom of multiple sclerosis, especially during its initial stages. Multiple sclerosis is characterized by the gradual loss of the myelin sheath which is a protecting covering of the nerve cells. This leads to nerve damage, also known as neuro-degeneration and is responsible for the numbness.

Transient Ischemic Attack (TIA)
The transient ischemic attack, also known as a mini stroke, is a disorder caused by the temporary loss of blood supply to the brain thereby interrupting brain function. Numbness in hands and feet on either side of the body that lasts for less than an hour or two is a symptom of this disorder.

Raynaud's Syndrome
Raynaud's syndrome is a disorder in which blood vessel spasms are experienced either due to a very cold temperature or due to a sudden, strong emotional outburst. The spasms block or restrict the blood flow to areas like the fingers and feet which leads to numbness in the fingers and toes.

Carpel Tunnel Syndrome
Carpel tunnel syndrome is caused by an injury to the nerves around the wrist. Forearm and left arm numbness are two of the most important signs of this disorder. Read more on left arm numbness at night.

Angina is a disorder characterized by reduced oxygen supply to the heart due to thickening of the arteries. Left side numbness accompanied by certain amount of pain is an important symptom of this disorder.

Peripheral Artery Disease
Peripheral artery disease is a disorder caused due to the accumulation of plaque, which is a fatty substance, in the arteries. This accumulation leads to the narrowing and hardening of the arteries which restricts the flow of blood. Numbness in arms, fingers and feet along with cold hands and feet are important symptoms of this disease. Read more on causes of numbness in fingers.

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