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To update for anyone interested.
Toe nail was removed yesterday. He walked out complete with his regular shoes on, with no pain. He had had 4 injections into the toe prior to the surgery so expected to need pain relief later in the day.
Day turned into night, and now morning, not one painkiller was needed.
We did as advised and wrapped a clean new dressing around the bloodied one when he got home. and covered the foot in a clean white sock that he wore all night.
This morning the outer dressing we had put on was a bit messy so we removed that and a further clean dressing added, still over the original dressing that isn't to be removed until tomorrow.
I expect it will take a while to fully recover, but the worst bit is over.
So to anyone having this little op, OH's experience wasn't bad at all.