Common Health Issues in Small Breed Dogs
Small dogs often live long lives, but they have their own set of typical problems, many of which can be softened with early care.
Dental disease
Crowded teeth and small jaws mean plaque builds quickly, causing gum disease, tooth loss and infection, and bacteria may affect other organs. Brush daily if possible and schedule professional cleanings. See how to brush a dog's teeth.
Luxating patella
The kneecap slips out of its groove, causing skipping or hopping gaits. Mild cases need monitoring, and severe cases may need surgery. See luxating patella in dogs.
Collapsing trachea
Weak tracheal rings cause a honking cough, especially in Yorkies, Pomeranians and Chihuahuas. Use a harness, keep weight down and avoid smoke. See collapsing trachea in dogs.
Heart valve disease
Mitral valve disease is common in older small dogs, with a murmur often the first sign. Cavalier King Charles spaniels are especially prone. See heart murmur in dogs and congestive heart failure in dogs.
Hypoglycemia
Toy puppies can drop their blood sugar if they skip meals or get cold. Signs include weakness, trembling and collapse. See hypoglycemia in puppies.
Other common issues
- Pancreatitis, especially after fatty foods. See pancreatitis in dogs
- Obesity. See dog obesity risks
- Eye problems, such as dry eye and cataracts
- Fragile bones, particularly in toy breeds
- Back disease, in long-backed breeds. See dachshund back problems
- Retained baby teeth
- Anal gland issues. See anal gland problems in dogs
Injury risk
Small dogs can be injured by jumping from furniture, falls and larger dogs. Use ramps, supervise play and take care when carrying.
Toxin risk
Small bodies mean small amounts of toxins can matter. Keep chocolate, xylitol and medications out of reach. See dog poisoning: what to do.
Everyday care
- Brush teeth daily or as often as you can.
- Use a harness.
- Measure meals and keep a lean shape.
- Schedule regular exams, with dental checks.
- Provide steps or ramps.
- Keep them warm in cold weather.
Senior years
Many small dogs reach well into their teens, and senior care deserves planning. See senior dog care guide.
Questions to ask your vet
Ask which conditions your breed is prone to, how to protect the trachea and knees, and how often dental cleaning is advised.
Common mistakes
- Skipping dental care
- Using collars
- Overfeeding treats
- Ignoring a skipping step
Troubleshooting
- My dog coughs when excited: book an exam and switch to a harness.
- She hops on one back leg: ask about patella checks.
- His breath is awful: check his teeth.
A simple plan
- Care for teeth daily.
- Use a harness.
- Keep weight lean.
- Check heart and knees yearly.
Real-life examples
A Yorkie's cough improves with a harness and weight loss. A Chihuahua gets a dental cleaning and regains energy. A Pomeranian with a mild patella issue stays active with monitoring. Small habits matter.
Little dogs, long lives
Good habits can help small dogs live well into old age.
Handling and safety
Teach children to sit before holding a small dog, and carry the dog with one hand under the chest and the other under the hindquarters. Avoid letting your dog leap from heights, and use baby gates on stairs.
Warm and well fed
Small bodies lose heat fast, so provide a coat in cold weather and a warm bed. Feed measured, regular meals, especially to toy puppies, to reduce the risk of low blood sugar.
The takeaway
Small breeds need dental care, joint and heart checks and gentle handling. Prevention pays off.
Frequently asked questions
Why do small dogs have bad teeth?
Crowded teeth in small mouths trap plaque.
Is a harness better than a collar?
For many small dogs, yes, since it protects the trachea.
Do small breeds need as much exercise?
They still need daily activity, in smaller amounts.
How long do small dogs live?
Often longer than large dogs, though individual health varies.
This article is general educational information, not veterinary advice. Every dog is different. If your dog is unwell, or you are unsure about a symptom, diet change or medication, contact your veterinarian.