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Chihuahua: temperament, health and care
Chihuahua: temperament, exercise and grooming needs, common health problems and who this dog suits.
This is general information for the UK. It is not veterinary or legal advice, and every animal is different. Speak to a vet about your pet's health. The Be Pet Wise app can also show rules for other countries.
At a glance
| Size | Very small, about 1.5–3 kg |
|---|---|
| Typical lifespan | 14–16 years |
| Exercise | Low: short walks and play |
| Grooming | Smooth or long coat; low to moderate |
Temperament and who it suits
Bold, loyal and sometimes nervous or over-protective of their person.
Often suits: adults or older children in calm homes.
They are fragile and can be injured easily by rough handling.
Health problems to know about
- Kneecap problems
- Dental disease
- Heart valve disease
- Sensitivity to cold
Individuals vary. Ask breeders about health testing, and keep up with vet checks, vaccination and weight control.
Before you get a Chihuahua
- See the puppy with its mother, where it was born
- Ask about health tests on the parents for the conditions above
- Check it is microchipped and registered by eight weeks old
- Consider adopting: breed rescues and rehoming centres often have dogs of this breed looking for homes
See buying a puppy or kitten: Lucy's Law and your rights.
Care, law and costs
See our general guide to dogs for feeding, the law in the UK, what it costs and emergencies, and our guides to microchipping law and toxic foods and plants.
Frequently asked questions
How long does a Chihuahua live?
A Chihuahua typically lives 14–16 years. Individual health, diet and weight all matter.
How much exercise does a Chihuahua need?
Low: short walks and play.
What health problems are common in a Chihuahua?
Common concerns include kneecap problems, dental disease, heart valve disease and sensitivity to cold. Ask breeders about health testing, and keep up with vet checks.
How much grooming does a Chihuahua need?
Smooth or long coat; low to moderate.
Who does a Chihuahua suit?
It often suits adults or older children in calm homes. They are fragile and can be injured easily by rough handling.
Similar dogs
Sources
- The Royal Kennel Club: breed information and health schemes
- BSAVA: Microchipping legislation in the UK
- Basingstoke and Deane Borough Council: Lucy's Law
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Open Be Pet WiseBrowse all guidesReviewed 2026-09-23. General information for the UK, not veterinary or legal advice. See how we check.