Senior dog health concerns, including modified diet and exercise, and natural arthritis and heart disease treatments The older dog has slightly different dietary requirements to a younger, more active dog which are more prevalent as your dog grows older - in particular arthritis and heart disease. We provide a full line of pet supplies and equipment. From Arthritis and joint pain medications to cages to wormers - at the best prices on the net. You Are Here - Dog Items- Arthritis & Joint Pain. arthritis dog in older :: arthritis joint pain