Cortisone shots can treat both inflammatory arthritis and osteoarthritis, but they may be more effective at treating inflammatory arthritis than osteoarthritis, according to the Mayo Clinic. “For osteoarthritis, sometimes people don't get relief, and it's hard to predict why,” says Dr. Sufka.

How long does a cortisone shot last for arthritis?

The effect of a cortisone shot can last anywhere from 6 weeks to 6 months. As cortisone reduces inflammation, it can make you feel great.

What does cortisone do for arthritis?

Cortisone shots are injections your doctor can use to relieve your joint pain from arthritis. These injections work by reducing the inflammation in and around your joint and are among the most effective methods of pain relief if you have arthritis. These injections most commonly contain a corticosteroid and anesthetic.