Ms. Hasberry, a 64-year-old woman, presents to the primary care clinic reporting 6 months of worsening shooting pain radiating from her left buttock to the back of her thigh and down her leg, limiting her ability to play with her granddaughter. On examination, her pain is reproduced on straight leg raising test. Diagnosed with sciatica, physical therapy is recommended to help with the pain and restriction of mobility. However, her symptoms persist during the next 6 months. What treatment options does she have?