But try not to worry when your hands or feet fall asleep due to holding your arms or legs too long in one position, as long as this resolves within minutes and doesn’t happen often. The causes of peripheral neuropathy are many, and range from the harmless and annoying to the intolerable and dangerous. It’s worth noting that nearly a third of cases have no clear cause - a problem known as idiopathic neuropathy. The nerve becomes unhealthy or dies.Īdditional causes of neuropathy are infection, compression or trauma to nerves, and inflammatory or autoimmune conditions that affect nerves. vascular disease, which occurs when the blood supply to a peripheral nerve is impaired, as with atherosclerosis.Certain medications, including some antibiotics and chemotherapy drugs, or lead, mercury, and other chemical and industrial toxins, may be culprits.Alcoholics may also have nutritional deficiencies that can cause neuropathy. Alcohol ingestion is probably the most common cause of toxic neuropathy. Vitamin B 6 is unique in this regard because too little or too much can cause neuropathy too little is quite rare, but it’s possible to get excess B 6 from supplements. nutritional deficits, such as vitamin B 12 deficiency or other vitamin deficiencies.diseases of the liver, kidney, and thyroid.Sometimes it’s the first indication that a person has diabetes. Diabetes is the most common identifiable cause of peripheral neuropathy, accounting for nearly a third of cases.Your doctor should investigate further and will likely consider possible causes of peripheral neuropathy, including the following: This is especially important if these sensations cause trouble with walking or holding onto things. No need to contact your doctor.īut call your doctor promptly if you have persistent numbness, tingling, or other unusual sensations in your hands or feet. If your hands or feet fall asleep occasionally and normal sensation quickly returns, that’s fine. Having your hand or foot fall asleep is a temporary paresthesia. Paresthesia is a sensation of pins and needles, numbness, or another abnormal sensation, often tied to peripheral neuropathy.Fortunately, this is quite temporary, while carpal tunnel syndrome is often chronic. Having your hand or foot fall asleep is another. Carpal tunnel syndrome, which occurs when a nerve becomes compressed in an already tight channel in the wrist, is one well-known example.
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