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Dog Diseases & Conditions

Understand common conditions in dogs and how they're managed.

Better understanding starts with clear information​

Hearing that your dog has a health condition or disease can bring up a lot of questions. Here, you can learn more about common conditions in dogs: what they are, how they're diagnosed, and how veterinary care helps guide the path forward.​

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Featured article

There's a lot to know about your dog's health. Here's an article we think deserves a closer look.

Lymphoma in Dogs 101

Hearing the word lymphoma can stop any pet parent in their tracks. This guide explains what lymphoma is, the signs to watch for, how it’s diagnosed and treated, and how you can support your dog day to day.

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Trending articles

These are some of the most popular condition-related articles dog owners are reading right now.

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Cancer Screening for Dogs

Dr. Dana Connell, DVM at IDEXX
May. 29, 2026

Learn how cancer screening in dogs works, what tests may be used, and when veterinarians may recommend screening based on age, breed, and health history.

8 minute read 8 minute read
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Can Dogs Get Cancer?

Dr. Angela Beal, DVM
May. 8, 2026

Cancer is common in dogs, but catching it early can make a difference. Here's what to know.

6 minute read 6 minute read
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Osteoarthritis in Dogs

Dr. Sarah J. Wooten, DVM, CVJ
May. 26, 2026

Learn the signs of arthritis in dogs, what causes it, how vets diagnose it, and proven treatment options to improve comfort and mobility.

8 minute read 8 minute read
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Tick‑Borne Diseases in Dogs Are on the Rise: Why and What it Means for Your Dog

Dr. Angela Beal, DVM
May. 22, 2026

Tick-borne infectious diseases are becoming more common in dogs. Staying informed about disease trends and understanding your dog's risk can help you keep them safe.

8 minute read 8 minute read
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Lyme Disease in Dogs 101: What You Should Know About Symptoms, Testing, Treatment & Prevention

Brandie Johnson, RVT, LVT
May. 22, 2026

Lyme disease in dogs can cause limping, stiffness, and low energy. Learn how dogs get Lyme disease, what symptoms to watch for, how it’s diagnosed and treated, and when to see your veterinarian.

7 minute read 7 minute read
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If Your Dog Had Cancer, Would You Want to Know?

Dr. Jenna Dockweiler, DVM at IDEXX
May. 21, 2026

Not sure if you want to know if your dog has cancer? You aren't alone. Learn about cancer screening in dogs and what screening may tell you.

9 minute read 9 minute read
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Dog Ear Yeast Infections 101: Everything Dog Owners Need to Know

Dr. Laura Sullivan, MRCVS
May. 19, 2026

Yeast in a dog’s ears is usually a symptom of an underlying issue. Learn whether it could be allergies, an infection, or something more serious.

10 minute read 10 minute read
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Lymphoma in Dogs 101

Dr. Dana Connell, DVM at IDEXX
Jun. 2, 2026

Learn what canine lymphoma is, how vets diagnose it, and what care can mean for your dog.

10 minute read 10 minute read
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Ear Mites vs. Ear Infection in Dogs 101

Dr. Jenny Alonge, DVM
May. 8, 2026

Ear mites & infections can look very similar. Here's what to watch for & when to call your vet.

8 minute read 8 minute read