Several years ago we had a dachshund, Gus, with Cushings. He had skin issues which were fairly mild. We just gave him regular baths with medicated dog shampoo. He also had occasional nerve related issues as he got older. One time he could not move his back legs at all. Surprisingly an acupuncture treatment cured that. He was on a med called selegiline which worked pretty well for him. It was fairly cheap when he started on it. After about a year the price went though the roof and I was able to find it from a non-US internet seller for a lot less. He passed about 3 years ago so I've no idea what it costs now.