Senior Dog Health Conditions
The conditions that tend to surface with age, explained for owners: what the early signs look like, how each is told apart from ordinary aging, and when it is time to call your vet. We are not veterinarians; these guides are reported and sourced.
Many senior dog problems creep in slowly enough to look like "just getting old," which is exactly how they get missed. Knowing the early signs of the common conditions, and how each differs from normal aging, is what turns a shrug into a timely vet visit.
These guides cover the conditions that surface most with age, including kidney disease, diabetes, Cushing's disease, and canine cognitive dysfunction.
Senior Dog Ear Infections: Why They Recur, and the Cause Most Owners Miss
Senior dog ear infections that keep coming back are usually a symptom, not the problem. The late-summer triggers, the allergy link, and the cause owners miss.
9 minDegenerative Myelopathy in Dogs: The Painless Disease That Takes the Back Legs
Degenerative myelopathy in dogs is a progressive spinal-cord disease, the canine version of ALS, that slowly takes the back legs in older dogs. The defining clue: it does not hurt. The signs, stages, the SOD1 gene test, and what actually helps.
12 minLaryngeal Paralysis in Dogs (and GOLPP): The Noisy Breathing That Isn't Just Age
Laryngeal paralysis in dogs starts quietly: a raspy bark and noisy breathing in an older dog, easy to write off as age. It is usually GOLPP, a whole-body nerve disease, and it turns dangerous in heat. The signs, the breeds, the emergency, and the tie-back surgery that helps.
12 minWhy Is My Senior Dog Panting? Normal Panting vs the Signs to Worry About
Why is my senior dog panting? Panting at rest, in a cool room, or more than usual can signal pain, heart, or hormone disease. How to tell, and when to worry.
10 minHypothyroidism in Senior Dogs: When Slowing Down Isn't Just Age
Weight gain, low energy, hair loss, and feeling the cold in an older dog are easy to call aging, but together they point to hypothyroidism, a common and very treatable thyroid problem. The catch: it is also overdiagnosed. How to spot it, tell it from Cushing's, and confirm it properly.
12 minCushing's Disease in Senior Dogs: When It Isn't Just Old Age
Drinking more, a pot belly, hair loss, and panting in an older dog are easy to write off as aging, but together they are classic Cushing's disease, a treatable hormone problem. How to tell it from diabetes, how it is diagnosed, and how it is managed.
12 minHeart Disease in Senior Dogs: The Cough, the Breathing Test, and What It Means
A cough or new tiredness in an old dog can be the heart, but not always. The signs of heart disease and congestive heart failure in senior dogs, the one number to track at home, and when it is an emergency.
12 minLumps on Senior Dogs: Is It a Fatty Tumor, or Something to Worry About?
Most lumps on senior dogs are benign fatty tumors, but you cannot tell by feel, and a few cancers feel identical. Why a quick fine needle aspiration is the move, the warning signs, and how to track lumps at home.
10 minOld Dog Vestibular Disease: It Looks Like a Stroke, but Often Isn't
Your old dog suddenly can't stand, head tilted, eyes darting. It looks like a stroke, but in senior dogs it is most often vestibular disease, which usually improves. How to tell, the recovery timeline, and when to worry.
11 minBlue-Green Algae Poisoning in Dogs: The Summer Water Danger to Know
Blue-green algae poisoning in dogs can kill within an hour and has no antidote. The signs, why senior dogs are at higher risk, and how to prevent it.
9 minSenior Dog Cancer Warning Signs: The 10 Signs and What to Do Next (2026)
Senior dog cancer warning signs, the 10 signs every owner should recognize, the most common senior cancers (lymphoma, hemangiosarcoma, mast cell, osteosarcoma), diagnosis, treatment, prognosis, and end-of-life. Reported and sourced.
22 minSenior Dog Cataracts: Stages, Surgery, and What to Expect in 2026
Senior dog cataracts, how to tell them from lenticular sclerosis, the four ACVO stages, when surgery is right and when it isn't, what it costs, and the lens-induced uveitis complication every owner should know about. Reported and sourced.
21 minSenior Dog Diabetes Symptoms: Signs, Diagnosis, and Treatment for 2026
Senior dog diabetes symptoms, the four classic signs, how vets diagnose it, the insulin and dietary plan that works, the cataracts that usually follow, and the long life most well-managed diabetic dogs go on to have. Reported and sourced.
21 minSenior Dog Kidney Disease: Signs, Stages, and Treatment in 2026
Senior dog kidney disease, the early signs, how vets stage it (IRIS 1-4), the treatment plan that actually changes outcomes, prognosis by stage, and when it becomes end-of-life. Reported, sourced, and not a substitute for veterinary care.
21 min