The Birthday Nobody Talks About
When your dog turns one, there's a whole puppy graduation thing. When they turn a "senior age," your vet starts recommending senior panels. But five? Five just comes and goes. No pamphlet. No special conversation. No one pulls you aside and says "hey, this is the age where proactive decisions start really mattering."
Consider this your pamphlet. Because five (give or take a year depending on breed size) is when the window for prevention is wide open and most owners walk right past it.
The Health Checklist for Your 5 Year Old Dog
1. Baseline Blood Work
If your dog has never had comprehensive blood work done as a healthy adult, now is the time. You want a complete blood count (CBC), comprehensive metabolic panel, thyroid panel, and urinalysis. This isn't about finding problems. It's about establishing what "normal" looks like for YOUR dog so that in the future, when values shift, your vet has something to compare against.
Think of it this way: a creatinine level of 1.8 means something very different if your dog's baseline was 1.0 versus if their baseline was 1.6. Without that baseline, your vet is guessing.
2. Full Dental Exam
By age five, the majority of dogs have some degree of dental disease. Many have disease significant enough to cause pain that they're hiding from you. Ask your vet about a dental cleaning under anesthesia, which allows for full evaluation of every tooth, including X rays that reveal problems below the gum line that no one can see with a visual exam alone. Dental disease doesn't just affect the mouth. The bacteria involved can seed to the heart, kidneys, and liver.
3. Body Condition Score Assessment
Have your vet formally assess your dog's body condition score (BCS) on a 1 to 9 scale. A score of 4 to 5 is ideal. If your dog is a 6 or above, now is the time to address it, before joints start taking damage from excess weight and before metabolism slows further with age. Losing weight at five is infinitely easier than losing weight at nine.
4. Joint Health Baseline
Ask your vet to do a thorough orthopedic exam. Flex and extend the joints. Check range of motion. Note any crepitus (crunchy feeling in the joints) or discomfort. If your dog is a breed predisposed to hip or elbow dysplasia, consider baseline X rays. You're looking for early changes that can be managed proactively rather than discovered reactively.
5. Heart Auscultation (Really Listen)
A quick listen with a stethoscope is standard at every vet visit. But at age five, ask your vet to do a thorough cardiac auscultation. Some murmurs are benign. Some are early indicators of conditions that benefit from monitoring or early treatment. Knowing your dog's cardiac baseline matters.
6. Eye Exam
Have your vet check for early cataracts, retinal changes, and eye pressure. Some breeds are predisposed to progressive retinal atrophy and other eye conditions that develop in middle age. Early detection sometimes allows for interventions that slow progression.
7. Nutrition Audit
What you fed your dog at two may not be ideal at five. Caloric needs, protein requirements, and nutrient priorities shift. Discuss with your vet whether your current food is still appropriate. Consider adding omega 3 fatty acids for their anti inflammatory properties if you haven't already.
8. Exercise Plan Review
Your dog's exercise needs and tolerances are changing. The goal now is consistent, moderate activity rather than sporadic intense activity. Build a routine that supports cardiovascular fitness and muscle maintenance without overtaxing joints. Think daily walks, swimming, and controlled play rather than weekend warrior dog park marathons.
9. Parasite Prevention Review
Make sure your parasite prevention protocol (flea, tick, heartworm, intestinal parasites) is current and appropriate. Discuss with your vet whether testing should happen more frequently as your dog ages, especially if you're in a tick heavy area where tick borne diseases can cause chronic problems.
10. Start a Health Journal
This costs nothing and pays off enormously. Start documenting your dog's weight (monthly), eating habits, energy level, mobility, and any changes you notice. Keep it simple: a notes app on your phone works fine. When you walk into the vet's office two years from now and can reference specific observations and timelines, you become a much more effective advocate for your dog's health.
The Supplements Conversation
Five is the age I started thinking seriously about supplementation for Benny. Not because he was showing problems, but because the research on proactive cellular support was compelling enough that waiting felt like a missed opportunity. NAD+ levels begin declining in middle age, and supporting them before the decline becomes symptomatic is the whole concept behind proactive aging support.
I started him on LongTails at this point, specifically for the Nicotinamide Riboside component that supports NAD+ production. The collagen and bone broth were bonuses for joint and gut health. My thinking was simple: if cellular energy production is going to decline anyway, I'd rather support it proactively than chase problems reactively. Talk to your vet about what makes sense for your specific dog.
Why Five Matters
At five, your dog is at a metabolic crossroads. The choices you make now about weight management, dental care, exercise habits, and proactive health monitoring set the trajectory for the second half of their life. Dogs who get proactive care starting at five consistently have better outcomes at eight, ten, and twelve than dogs who don't get attention until something goes obviously wrong.
You didn't get this checklist from your vet (though I hope that changes). But you have it now. Pick the three items that feel most relevant to your dog and start there. You don't have to do everything at once. You just have to start.



