Miniature Schnauzer Lifespan and Common Health Problems

You love your adorable Miniature Schnauzer. This playful little dog likely feels like a precious member of your family. Who couldn’t love that sweet, little face? So how can you make sure your Miniature Schnauzer has a long lifespan? To keep your pup healthy and happy, be on the lookout for these health issues, and take preventative measures whenever you can. Your little pup is worth it.

Common Health Issues

Miniature Schnauzers are generally healthy, but like all breeds, they can be prone to certain health conditions. While your dog may never experience these issues, it’s helpful to be informed so you can recognize early signs and take proactive steps when needed.

Regular veterinary check-ups are key to catching potential problems early. If you ever notice changes in your Miniature Schnauzer’s behavior, appetite, or physical condition, don’t hesitate to consult your vet. Early detection and preventive care can make a big difference in your pup’s long-term health and happiness.

Kidney stones

Miniature Schnauzers are the breed most commonly affected by Calcium Oxalate Urolithiasis—a condition that causes kidney and bladder stones. In fact, one study found that up to 40% of dogs with kidney stones were Miniature Schnauzers. Males are particularly at risk, being three times more likely to develop stones than females. The average age for a diagnosis is around 9 years old.

Veterinary researchers believe this increased risk is due to a genetic predisposition affecting the urinary tract, which also makes Miniature Schnauzers more susceptible to bladder infections.

If a stone fully blocks your dog’s urinary tract, it can quickly become a life-threatening emergency. That’s why it’s essential to monitor for early signs—especially in dogs over six years old.

Watch for these symptoms and contact your vet immediately if you notice any of the following:

• Abdominal discomfort

• An increase or decrease in urination

• Blood in your dog’s urine

• Fever

• Kidney pain

• Lethargy

• Poor appetite

• Vomiting

• Straining when urinating

Eye disease

If you’re considering adopting a Miniature Schnauzer, look for a breeder who screens their dogs through the Canine Eye Registration Foundation (CERF). While this doesn’t guarantee your dog will never develop vision problems, it can reduce the risk of inherited eye conditions. And if vision loss does occur, many dogs adapt well with a few lifestyle adjustments.

Miniature Schnauzers are particularly prone to Progressive Retinal Atrophy (PRA). This inherited condition causes the retina to slowly degenerate, typically beginning with night blindness around age 3 and eventually leading to complete vision loss.

They are also at risk for Retinal Dysplasia, a condition where the retina doesn’t form correctly. It can range from mild abnormalities to full detachment and blindness. Dogs with this condition may also be more prone to glaucoma and cataracts later in life.

Heart disease

Miniature Schnauzers are prone to several types of heart disease, which can occur at any age. Regular vet checkups are crucial for early detection and effective treatment. Maintaining a healthy weight and practicing good dental hygiene can also support heart health.

Mitral valve disease, the most common heart issue in the breed, occurs when heart valves weaken and leak, putting strain on the heart. If caught early, medications can help manage the condition for years.

They may also develop sick sinus syndrome, which affects the heart’s electrical system and can cause fainting from a slow heart rate. Mild cases can often be treated with medication.

Another possible condition is patent ductus arteriosus (PDA), a congenital defect where a heart vessel fails to close after birth, causing excess blood flow to the lungs and added stress on the heart.

Heart failure is one of the leading causes of death in older Miniature Schnauzers, so early monitoring and care are key.

Dental disease

Miniature Schnauzers are more prone to dental disease than most breeds, making preventative care essential. Plaque buildup can lead to gum infections and even affect organs like the kidneys. There’s a known link between gum disease and kidney issues due to bacterial overgrowth in the mouth.

Daily brushing, dental tools, teeth sprays, and regular professional cleanings can help keep your pup’s mouth healthy. Since dental disease is hard to detect—dogs often eat normally even with pain—watch for signs like:

• Swelling on one side of the face

• Especially foul breath

• Blood on toys or in the water bowl

• Bleeding or inflamed gums

• Brown or yellow teeth

• Eating only with one side of the mouth

• Excessive drooling

If you notice any of these, book a vet appointment right away.

Ear infections

Miniature Schnauzers are prone to ear infections due to the hair in their ears, which traps dirt and moisture—creating the perfect environment for bacteria and yeast to grow. Signs of infection include odor, redness, discharge, frequent head shaking, or ear scratching. If you notice these symptoms, visit your vet for treatment.

To help prevent infections:

• Clean your dog’s ears weekly using a vet-approved solution and a cotton ball.
• Remove excess ear hair, either at home or with the help of a groomer.

When to Go to the Vet

Be sure to schedule annual check-ups with your Miniature Schnauzer’s veterinarian to stay ahead of any potential health issues. Even with great preventative care, there may be times when extra support is needed. If you notice symptoms like unusual odors from the mouth or ears, frequent scratching at the eyes, or increased fatigue, don’t wait—schedule a vet visit. It’s always better to be safe when it comes to your pup’s health.