Sounds like you are doing everything you can for your dog this just makes me so sad. There isn't much worse than watching the life and fun sucked out of a being whose life was nothing but happiness its the worst I hope I never have to go thru that again I am still plagued by the bad memories of it. My thoughts and prayers go out to you and your dog and I know its a lot of work but I also know if the roles were reversed they would love us enough to do it for us! Keep up the good work. Another thing I did that was helpful was when my dogs were on Lasix they could not hold their urine at night so what I did was fold up a throw blanket and I put human incontinences pad in between their bed and the throw that helped a lot I could throw the throws in the wash everyday and just throw the incontinence pad away.