Lots of options. Sciatica can be managed effectively and can be relieved in a vast majority of people, but it will always require diligence on your part for nsaids, exercise, stretching and weight control/loss. For those still having issues it may require treatments (injections, surgery, etc) to maintain relief as well.
Integrative care. A herniated disc can cause back pain as well as foot pain by physically pressing on the nerves that travel to the foot and by irritating them through the extrusion of pro-inflammatory disc materials. Physical therapy and other conservative measures, including medication management, are considered first line treatment. If these fail, your physician may recommend epidural steroid injections.