I too had sciatica pain more than once and saw specialists, and PTs. The consensus is if you are diligent in stretching those hamstrings, the pain will usually go away in its own, as long as you are consistent in doing the exercises. This will take some time, a few weeks before you hope to see results, but is always better than having a more radical approach. Having epidurals for this condition usually are not effective for very long, if at all, and you want to avoid injections in your spinal area at all costs due to possible scarring. Of course this is based on you not having any other issues that are more serious.
Good luck and hope this helps.