Numbness of the feet can be due to the compression of the posterior tibial nerve at the ankle level.
Improperly fitted shoes or hard leather shoes wearing for long time involving standing, or walking is the most common culprit.
The nerve gets inflamed resulting in numbness and sometimes burning sensation under the feet.
Other possibilities include diabetes, thyroid disorder, vitamin B12 deficiency, autoimmune disorder affecting the nerves supplying the concerned area.
Hence, these conditions should be checked out with appropriate blood tests.
The best treatment will be show modification also known as orthotic shoes offered by a podiatrist.
Avoid long standing, apply ice and heat alternately.
You can take over the counter naproxen twice daily to reduce inflammation if not contraindicated by other illnesses.
Nerve boosting supplements like like Alpha lipoic acid 600 mg daily, vitamin B6 50 mg daily, vitamin B12 1000 mcg daily can be tried meanwhile.
This is not an urgent condition but should be evaluated.
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