Chihuahuas are generally healthy dogs with long lifespans, often living well into their mid to late teens. They do not get sick more often than other small breeds, but their tiny size and unique physical traits make them more vulnerable to certain health issues. Proper care, routine vet visits, and good nutrition significantly reduce the chances of frequent illness.
Most Chihuahuas stay healthy when their needs are met, but being aware of common concerns helps you catch problems early.
Why Chihuahuas May Seem to Get Sick Easily
Though they are tough for their size, Chihuahuas can appear sensitive because small changes in health affect them more noticeably.
- Their small bodies react quickly to diet or temperature changes
- They lose body heat faster than larger dogs
- They have tiny stomachs that are sensitive to irregular feeding
- Minor issues can show strong symptoms because of their size
With the right care, these vulnerabilities are manageable and do not mean they get sick frequently.
Common Health Issues in Chihuahuas
Certain conditions appear more often in this breed, but early awareness helps prevent serious problems.
Dental Problems
Chihuahuas often struggle with dental disease due to their small mouths.
- Plaque buildup and gum irritation
- Loose or crowded teeth
- Bad breath or discomfort when eating
Hypoglycemia
Puppy Chihuahuas can experience low blood sugar if meals are too far apart.
- Shaking or weakness
- Sleepiness or wobbling
- Sudden lethargy
Respiratory Conditions
The breed is prone to tracheal collapse and breathing sensitivity.
- Goose honk cough
- Breathing difficulty during excitement
- Coughing when pressure is applied to the neck
Patellar Luxation
This is a common knee issue in small breeds.
- Limping or skipping steps
- Intermittent pain
- Difficulty walking on uneven surfaces
Heart Problems
Older Chihuahuas may develop heart murmurs or valve disease.
- Coughing or shortness of breath
- Fatigue after light exercise
- Slow decline in activity
How to Reduce the Chances of Illness
Good daily care helps keep Chihuahuas healthy and less prone to getting sick.
- Provide high-quality small-breed dog food
- Brush their teeth regularly
- Use a harness instead of a collar to protect the trachea
- Keep them warm during colder weather
- Schedule yearly vet checkups
- Maintain a consistent feeding schedule
Healthy habits dramatically reduce the risk of frequent sickness.
Signs Your Chihuahua May Be Getting Sick
Watching for early symptoms helps you address issues before they become serious.
- Loss of appetite
- Unusual tiredness
- Persistent coughing or choking sounds
- Vomiting or diarrhea
- Shivering or shaking unrelated to cold
Any sudden behavior change should be checked by a veterinarian.
Chihuahuas do not get sick more often than other breeds, but their small size makes them more sensitive to certain health conditions. With proper nutrition, regular veterinary care, dental maintenance, and a warm, safe environment, most Chihuahuas enjoy long, healthy lives. Understanding their risks helps you provide the best care and reduces the likelihood of frequent illness.