Q. What is the reason for long term foot numbness?

Answered by
Dr. Chirag Ashok Berry
and medically reviewed by Dr. Sneha Kannan
Published on Feb 25, 2016 and last reviewed on: Jul 16, 2019

Hi doctor,

I am a 29 year old male. Four days ago, I started feeling numb on the side of my left foot. The feel continues and the entire portion of the left foot is numb now. Please guide me.

Dr. Chirag Ashok Berry

Orthopedics And Traumatology Spine Health Spine Surgery
#

Hi,

Welcome to icliniq.com.

I understand that it can be very troublesome and scary to have complete numbness in a specific area of the body.

From what you have mentioned, it sounds like you do not remember any incident that brought this on. I assume this is something you noticed one day after waking up from sleep, is that right?

It may be helpful to know if the numbness is on the outer side or inner side of the foot. Is there any area on the side of the ankle or the leg, between knee and ankle that is similarly numb?

The sensations from the outer side of the foot are carried to the brain by nerves that go up to the S1 (sacral) level of the spine, while those from the inner side of foot go to the L5 and L4 levels lumbar.

These nerves can be affected by multiple issues ranging from trauma to any location along its track, pressure from certain structures such as disc etc., and general illnesses like diabetes. It is difficult to pinpoint which part of the track of the nerve is affected.

I would suggest you to consult a neurologist for a complete physical examination and get the appropriate tests that may be necessary. The treatment would depend upon the cause of the nerve damage.

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