Pictures are the best way for us to get a good grasp on the situation. The treatment for scale rot and burns aren't terribly different, some prefer chlorhexidine over betadine for burns. You did good providing a clean and dry environment. I'd do a betadine soak every other to every third day and ease off the antibiotic ointment until she sheds.

I had a rescue come in with mild scale rot on about 80 percent of his ventral side, coupled with partially healed lacerations. Some betadine soaks, a clean environment and 1 shed later, you could hardly tell he ever had scale rot starting.

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