Wellness checks for older pets is very important. When they are younger and do not have any chronic issues, you would usually schedule a vet visit at least once a year. When your pets get older, you should look at making a visit to the vet at least every six months for a check-up. This will include early detection screening for ailments such as liver and kidney problems, diabetes, arthritis, cancer, dental disease, intestinal problems as well as vision and hearing impairment