do cortisone shots really work?
<answer> Yes, after injection, corticosteroids work to reduce inflammation (heat, redness, swelling, & pain) in and around the joint. <context> How do Steroid (Cortisone) Injections Work? After injection, corticosteroids work to reduce inflammation (heat, redness, swelling, & pain) in and around the joint. As a result you should feel less pain, swelling, stiffness and warmth and be able to function a little easier.