Firstly we have Herniated Discs which is sciatica caused by the pressure from a herniated or protruding disc on the sciatic nerve. A herniated disc is simply a disc that has been displaced due to external pressure from an accident or by constant pressure due to muscle imbalance. This can be the cause for sciatic pain but it is equally important to note that many people with herniated discs may not experience any pain at all.

Hence to cure sciatica, you have to cure the root of the problem- disc herniation. There different kinds of therapies and cures towards disc herniation.