Will an epidural steroid injection help pain shooting down your leg?
Medically reviewed by
Ajith Nair, M.D., board certified in Anesthesiology, Pain Medicine, Addiction Medicine, and Integrative Medicine
Last reviewed: July 2026
An epidural steroid injection is often used for pain that travels from your lower back down into your leg, the pattern many people call sciatica. When a nerve in your spine is irritated or compressed, it can send sharp, burning, or electric pain along its path. The injection places anti inflammatory medicine around that irritated nerve.
If you feel pain that runs past your knee, along with tingling or numbness in your leg or foot, that suggests a nerve is involved rather than a muscle. This nerve related pattern is exactly what the injection targets.
The steroid reduces the swelling pressing on the nerve, which can lower the pain and calm the tingling. Relief usually builds over several days rather than all at once, since the medicine needs time to reduce inflammation.
If you feel relief, it may last weeks to months, and for some people that window is enough for physical therapy to make lasting progress. The injection is often most useful as a way to quiet the pain enough to move and rebuild strength.
Results vary. Some people feel strong relief, others feel partial or brief relief, and a few feel little change. If you feel that first injection helped but wore off, a second can sometimes be considered within safe limits.
If you feel your leg is getting weak, or you lose control of your bladder or bowels, that is different and needs urgent attention rather than a routine injection. Tell your specialist right away. For the more common shooting leg pain, the injection is a reasonable step to discuss when rest and medication have not been enough.
At Kentuckiana Pain Specialists, epidural steroid injections is provided under the care of Ajith Nair, M.D., at our Louisville and Radcliff, Kentucky clinics. Our phones are answered 24/7 at (502) 995-4004, and a consultation is the best way to find out what fits your situation.
This is general information, not medical advice. Whether a treatment is right for you is determined by a physician after an evaluation.