A member asked:

Does the pressure of a herniated disk on the nerve cause paralysis?

6 doctors weighed in across 2 answers

Rarely: The herniated disc would have to compress the spinal cord for paralysis to occur. If it is compressing a nerve, complete paralysis won't occur, but there can be weakness of the specific muscles that the nerve supplies in a particular limb.

Answered 9/9/2018

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It can: Some disks can be silent (no symptoms). If a disk is large and compresses the spinal cord (neck or mid back) it can cause paralysis. Very large disks in the low back can compress numerous nerves (not the spinal cord) and also cause weakness in both legs. The size of the disk herniation, the size of the canal (space for the cord and nerves), inflammation, acuity of the rupture influence its effect.

Answered 9/9/2018

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