Thank you for all the suggestions! :0) I will definitely experiment with them.
We can't really pinpoint any changes at the time besides the balloons that started Scooter's peeing spree. Aaron had him declawed the same time he was neutered (probably about 6mo of age). But the peeing spree didn't start until about 1 year after. Scooter has always been a little on the skittish side. We did buy 3 more litter boxes for him, so we'll see what happens. We have another appointment with our Dr. to talk about the other drug alternative that he had mentioned in our first visit. I'll keep you posted!

BTW, I am never getting a cat declawed again. If that is what caused all of this, not to mention the pain the poor kitties feel, it's not worth it. I use soft paws nail caps on my white cat, Marius and they work great!!:-)

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"You enter into a certain amount of madness when you marry a person with pets."
- Nora Ephron