@cocktail.world.27: Can a Cortisone Injection Help Back Pain & Sciatica? Cortisone injections may help reduce inflammation around irritated spinal nerves and provide pain relief for some people, but they don’t always treat the underlying cause. Have you had a cortisone injection? Did it help? #CortisoneInjection #BackPain #Sciatica #SpineHealth #NervePain