good rescue. if you keep up with the water changes as you have been it should heal up and back to normal soon. i get really irritated with people who think they know it all but don't as well.
I know.. she had good intentions but listened to the LFS and her "old school" hubby....I cannot imagine this fish in a 10 gallon! The top/bottom fins must have filled the entire height of the tank! I will take a pic when she is more settled.....