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What are the most common causes of foot numbness?

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Foot numbness commonly results from a lack of blood supply to the foot and nerve-damaging orthopedic conditions, according to Healthgrades. Nerve compression due to conditions such as systemic lupus erythematosus, multiple sclerosis, underactive thyroid gland, peripheral neuropathy and diabetic neuropathy are other possible causes of numbness in the foot.

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Full Answer

Conditions that hinder the supply of blood to the foot resulting in foot numbness include Buerger’s disease, which is an acute condition in which the blood vessels clot and become swollen; arteriovenous malformation; deep vein thrombosis; and peripheral vascular disease, a condition in which the arteries undergo constriction as a result of the accumulation of cholesterol and fat on the walls of the arteries, notes Healthgrades. Nerve-damaging orthopedic conditions that may cause foot numbness include degenerative disk disease, herniated disk, back injury, bone fractures and nerve entrapment.

Foot numbness is the loss of sensation that typically causes paresthesias in one or both feet, explains Healthgrades. The duration for numbness depends on the underlying cause. Symptoms of foot numbness include lower back pain, muscle spasms, burning sensation and frequent urination. Foot numbness due to underlying life-threatening conditions may cause walking and breathing difficulties, vision loss, loss of bowel control and loss of consciousness. An individual should seek immediate medical attention when serious symptoms of foot numbness appear to ensure early diagnosis and treatment of the underlying condition.

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