Your doctor may prescribe certain medications or spinal injections to treat your sciatica. The severity of your pain determines the prescription, which could be:
As with any treatment, you must follow your doctor's advice precisely. Never mix over-the-counter and prescribed drugs without consulting your doctor. You should also let your doctor know about all other medications you're taking (and even which vitamins and supplements you take); there could be interactions you want to avoid.
You should know, as you're considering various sciatica treatments, that SpineUniverse has several articles on other sciatica treatment options. You may want to read about:
The goal of using medications to address sciatic nerve pain is to provide pain relief. However, medications are not addressing the root cause of your sciatic pain; they aren't healing or curing the spinal condition that is leading to sciatica. While you're experiencing relief from your sciatica, you may be better able to do physical therapy or exercises that may help address the sciatic nerve compression.