Bumble foot?

[TinyChickin]

I had a chicken with bumblefoot, ended up cutting the plug out with a sterilized utility knife and putting colloidal silver + DMSO in the hole. Wrapped foot for a few days and set her loose. Silver and DMSO won't require egg withdrawal and you can't overdose them on either product. I recommend a lower PPM silver - mine is around 8 or 9 PPM.