Get them to your vet. Your dog should have a checkup and bloodwork done on a regular plan. This will vary centered on their own age and individual needs. Use this simple Doggy age calculator to workout roughly how old your Doggy is in human years, according to the breed. https://kamerongsckr.glifeblog.com/32702311/helping-the-others-realize-the-advantages-of-pet-age-calculator