Peter Hibberd, M.D., is a doctor whose advice is based on more than 28 years of hospital outpatient and inpatient experience. He is an experienced emergency medicine physician, surgeon, and consultant. Dr. Hibberd is certified by the American Board of Emergency Medicine. He is also a fellow and active member of the American Academy of Family Physicians, an active member of the American College of Emergency Physicians, and a member and fellow of the American Academy of Emergency Medicine. Dr. Hibberd has earned numerous national and international professional certifications, memberships, and awards.

What Could Cause Occasional Numbness in My Foot?

Thursday, 08 April 2010 10:33 AM

Question: What would cause my left toe and part of my foot to go numb like I had novocaine that is wearing off? This has been happening for several months.

Dr. Hibberd's Answer:

Numbness that comes and goes for several months on one foot and includes the big toe may indicate an irritation of the nerve root in your lower back. Though this is usually associated with back discomfort, especially when related to disc prolapse or degenerative disc disease, isolated numbness may also relate to a disorder of the peripheral nerve or its lining that supplies the toe and foot.

An MRI will often demonstrate local disease, and will help exclude a tumor as the cause of these symptoms, but is not sensitive to nutritional deficiency or many medical causes of neuropathy.

© HealthDay

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