Understanding Chihuahua Health and Care

Quick answer

Chihuahuas are small, spirited dogs that require attentive care to manage a range of breed-specific health conditions. While they are known for their loyal and sassy personalities, they are prone to issues involving their joints, heart, respiratory system, and neurological health. By keeping your dog at a healthy weight and monitoring for subtle changes in behavior or movement, you can help ensure a long and comfortable life for your companion.

Patellar Luxation

This condition involves the kneecap slipping out of its normal groove. You might notice your dog skipping or holding a back leg up while walking. This is well recognised in the breed. Your vet will perform a physical manipulation of the knee to check for stability. If your dog is frequently limping or seems to be in pain, it is time to see the vet to discuss management options.

Myxomatous Mitral Valve Disease

This is a heart condition where the valve between the left chambers of the heart fails to close properly. This is a recognised tendency in the breed. You may notice your dog tiring more easily or developing a soft cough. A vet will use a stethoscope to listen for a heart murmur. If you notice your dog struggling to breathe or collapsing, this is an emergency.

Mitral Valve Disease

Beyond the specific myxomatous form, general mitral valve issues are well recognised in the breed. Owners should watch for exercise intolerance or changes in breathing patterns. A vet will typically use an echocardiogram to assess the structure of the heart valves. Early detection is key to managing the workload on the heart.

Hypoglycemia

Low blood sugar is a significant risk for small dogs. You might see your dog become lethargic, weak, or even experience tremors. This is well recognised in the breed. If your dog appears unresponsive or collapses, this is a medical emergency requiring immediate sugar supplementation and professional care. Always ensure your dog eats regular, small meals.

Dental Problems

Due to their small mouths, Chihuahuas often struggle with overcrowding and tartar buildup. This is well recognised in the breed. You might notice bad breath or difficulty chewing. A vet will perform a thorough oral exam and may recommend professional cleaning. The common mistake is ignoring early signs of gum disease, which can lead to tooth loss and systemic infection.

Molera

Some Chihuahuas are born with a soft spot on the top of their skull, known as a molera. This is well recognised in the breed. While many live normal lives, you must be extremely careful to protect their head from injury. If you notice any swelling or unusual behavior, consult your vet to ensure the area is not causing pressure on the brain.

Pyruvate Kinase Deficiency

This is a metabolic issue that can lead to anemia. This is a recognised tendency in the breed. You might notice your dog appearing pale or lacking energy. A vet will perform blood tests to check for red blood cell health. How this passes down is not settled, so it is important to monitor your dog for unexplained fatigue.

Hydrocephalus

This involves an accumulation of fluid within the brain. This is a recognised tendency in the breed. You may notice behavioral changes, difficulty walking, or an enlarged head shape. A vet will use imaging techniques like an ultrasound or MRI to diagnose this. If your dog shows sudden neurological decline, seek care immediately.

Patent Ductus Arteriosus

This is a congenital heart defect where a vessel that should close after birth remains open. This is a recognised tendency in the breed, with a female predilection. You might notice your dog has a poor appetite or tires quickly. A vet will detect a characteristic heart murmur during a routine checkup.

Tracheal Collapse

This condition occurs when the rings of the windpipe weaken, leading to a honking cough. This is a recognised tendency in the breed. You might notice the cough worsens when the dog is excited or pulling on a leash. A vet will use X-rays to assess the airway. Using a harness instead of a collar can help reduce pressure on the neck.

Color Dilution Alopecia

This is a skin condition that leads to hair loss in dogs with certain coat colors. This is a recognised tendency in the breed. You might notice thinning hair or skin irritation. A vet will examine the skin to rule out other causes like parasites. Autosomal recessive inheritance is suspected.

Intervertebral Disc Disease

This involves the degeneration of the discs between the vertebrae, which can cause pain or paralysis. This is a recognised tendency in the breed. You might notice your dog is reluctant to jump, arches their back, or drags their feet. Peak incidence occurs between certain ages, and any sign of weakness in the limbs is an emergency.

Myasthenia Gravis

This is a neuromuscular disorder that causes muscle weakness. This is a recognised tendency in the breed. You might notice your dog has trouble swallowing or becomes weak after short periods of activity. A vet will perform specific blood tests to confirm the condition. It is an increased risk relative to the popularity of the breed.