Cortisone Injection (Corticosteroid Injection)Read about cortisone injection treatment for inflammation, allergic reaction, sciatica and arthritis. Learn about side effects and complications of a cortisone shot.Cortisone injections and arthritis - Everybody - Health ...What is cortisone? In what circumstances is a cortisone injection useful for relieving pain and inflammation? Are there any side effects from this treatment?Steroid Injections and ArthritisA look at the role that steroid injections play in managing arthritis and other problems.