Pets can get almost every type of medical problem people can get. Many pet owners are really surprised by this, but it's true. Pets can get arthritis, diabetes, infections, tumors, cancer and many other "human" diseases.
Oftentimes it is hard to tell that a pet is sick. That's why I want to give these links to some important information that will help you to recognize the symptoms of disease in your dog.
Check them out:
21 Symptoms You Should Never Ignore in Your Dog
What Is "Normala" in Dogs? (temperature, heart rate, breathing rate)
How to Take Your Dog's Temperature
How to Tell if Your Dog Is Ill
I hope this information will help you to identify medical problems early on and help keep your dog healthy.