How do steroid injections work for knee pain?
If your knee joints are very painful and inflamed, or you need extra pain-relief, you may be offered a steroid injection to treat your knee pain.
The steroid injection can reduce the inflammation in your joint which in turn should reduce your knee pain.
Steroid injections can’t treat the underlying cause of your condition, but they can treat the symptoms.
Some steroid injections start to relieve pain within hours and the effects should last about a week.
https://www.mykneedoc.co.uk/steroid-injections-for-knee-pain/
