Shih Tzu: Size, Lifespan, Health and Care
Quick answer
PDSA, the UK veterinary charity, puts the Shih Tzu at about 27 cm tall and 4.5-7.5 kg, living over 10 years. It suggests at least 1 hour a day, and lists 10 health problems to watch, including dry eye and cataracts. Minimum running cost: at least £50 a month, and up to £8,900 over a lifetime.
From PDSA, the UK veterinary charity. Not veterinary advice. Worried about your own pet? See who to call.
On this page (7 sections)
Key facts
| Size | Small |
|---|---|
| Average height | 27 cm |
| Average weight | 4.5-7.5 kg |
| Average lifespan | Over 10 years |
| Exercise | At least 1 hour a day, split into a couple of short walks plus play |
| Grooming | A daily brush, clipping every 6 to 8 weeks unless kept in show coat, and daily cleaning around the eyes, mouth and nose |
| Cost | At least £50 a month, and up to £8,900 over a lifetime |
Source: PDSA, Shih Tzu breed information.
Health problems to watch
PDSA lists these for the breed. A higher risk does not mean every animal will be affected; where a screening scheme or test exists, ask the breeder for the parents' results.
- dry eye (KCS)
- cataracts
- progressive retinal atrophy
- retinal detachment
- brachycephalic obstructive airway syndrome (BOAS)
- crowded or displaced teeth
- renal dysplasia
- intervertebral disc disease
- Cushing's disease
- umbilical hernia
Source: PDSA, Shih Tzu breed information.
Exercise and grooming
PDSA suggests at least 1 hour a day, split into a couple of short walks plus play. Grooming: a daily brush, clipping every 6 to 8 weeks unless kept in show coat, and daily cleaning around the eyes, mouth and nose. Source: PDSA, Shih Tzu breed information.
Temperament
PDSA describes the breed as bright, alert, confident and affectionate; likely to bark at visitors. PDSA says they should not be left alone for more than four hours a day. Source: PDSA, Shih Tzu breed information.
Cost
PDSA's figure: at least £50 a month, and up to £8,900 over a lifetime. These are minimums that leave out buying the animal and vet bills for illness or injury. More: annual cost of owning a dog and puppy first-year costs. Source: PDSA, Shih Tzu breed information.
Questions people ask
How long do Shih Tzus live?
PDSA gives an average lifespan of over 10 years.
How much exercise does a Shih Tzu need?
PDSA suggests at least 1 hour a day, split into a couple of short walks plus play.
What health problems do Shih Tzus have?
PDSA lists dry eye (KCS); cataracts; progressive retinal atrophy; retinal detachment; brachycephalic obstructive airway syndrome (BOAS); crowded or displaced teeth; renal dysplasia; intervertebral disc disease; Cushing's disease; umbilical hernia.
How much does a Shih Tzu cost?
PDSA's estimate: at least £50 a month, and up to £8,900 over a lifetime.
Sources
- PDSA, Shih Tzu breed information, read 7 November 2026.
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