:idunno I don't know anything about putting Ivermectin in the drinking water. @casportpony may know.
Pour On is applied to skin and the Injectable can be given orally, by injection or applied topically. It's repeated in 10 days...
I think it's healing pretty good. I would definitely watch to make sure flies are not getting around the edges of the lifted scab. You don't want maggots getting under there that's for sure. Not trying to creep you out, but it can happen.
If you are battling mites, I would go ahead and...
Scarlet oil may be fine as it heals a bit more, it's really not for large areas.
Neosporin is fine to use or if you are inclined to try something different/make your own, then I would use something like described in this thread. Down toward the bottom of the first post she shows her mixture...
Do you have a way to fence in a small area for her outside so she can have a bit more room and still be protected?
Sounds GREAT that you have Chlorhexidine and Neosporin. I would only flush the wound as needed since you have gotten through the first 24hours and your Gal is...
Why do you want to knock her out? Chickens do not do well with sedatives, they may even kill her.
She's eating/drinking and moving around.
Keep the wound clean and apply the ointment to keep it moist. A lot of times an oral antibiotic is not needed if the wound has been tended/monitored...