There are very few side effects when corticosteroids are administered with a coccyx injection. But you should expect to have some soreness at the injection site, just as you would with any injection.
Can you get injections for tailbone pain?
Steroid injections
Injections of corticosteroids into the area around the tailbone can reduce inflammation and pain. Sometimes, they're combined with local anaesthetic to make them even more effective. The injections can help relieve the symptoms of coccydynia, although the effects may only last for a few weeks.
How do you inject a tailbone?
How is a Coccyx Injection Administered? The procedure is performed under ultrasound or fluoroscopy (x-ray) guidance. The doctor will begin by numbing the intended region with a local anesthetic and he or she will then insert a thin needle into your coccyx.