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Numbness is a complete loss of feeling when you touch your skin. It may feel like the part you touch does not belong to you.
Numbness, tingling, or pain that begins in your back, moves down your leg and into your foot may be sciatica, caused by a pinched nerve (nerve root compression).
Sciatica is often debilitating but, in most cases, the pain abates with conservative therapy.
Surgery may be indicated in selected patients who are not helped by conservative treatment and who have debilitating symptoms after one month of therapy.