Has anyone had a steroid shot during a time when you were nursing a baby?

I had to make a terrible decision today to treat an awful injury I'm dealing with. The doctor gave me a very low dose steroid shot. (I've spent weeks trying other remedies before getting to this.) I'm currently trying to figure out how long I will need to pump and dump and if I have enough frozen stash to cover this time.

Please let me know if you have dealt with this situation and what you did about it.