My 12.5 year old boxer had advanced arthritis in his knees and began staggering. We had to put up a baby gate around stairs because he staggered and fell down them:-(.
You may want to consider adding fish oil to his daily supplements.
My vet had our boy on 3 grams of fish oil daily (helps with joints along with many other benefits, so all my dogs are given this daily), loading dose of glyco-flex lll (our vet also likes phycox), prevacox, tramadol as needed the last year of his life. I raised him on a grain-free diet(raw).
