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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, and check current rules on GOV.UK, or with your local authority. 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.
Care, law and costs
See our general guide to dogs for feeding, the law in the UK, what it costs and emergencies.
Frequently asked questions
How long do Chihuahua dogs live?
Chihuahua dogs typically live 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; sensitivity to cold.
How much grooming does a Chihuahua need?
Smooth or long coat; low to moderate.
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Open Be Pet WiseBrowse all guidesReviewed 2026-09-20. General information for the UK, not veterinary or legal advice. See a vet for any health concern.