Tortoise health: spotting problems and knowing when to see a vet

Tortoises are generally slow-moving and stoic, which can make early signs of illness easy to miss. This guide helps UK owners recognise common warning signs, understand why prompt action matters, and decide what to do next. It is informational only and not a substitute for professional veterinary advice.

Common signs that a tortoise may be unwell

• Reduced appetite or weight loss – a tortoise that refuses food or becomes noticeably lighter over time.
• Changes in behaviour – increased hiding, lethargy, or unusual aggression.
• Problems with the shell – soft areas, changes in texture, unusual marks, odour or pieces flaking away.
• Respiratory signs – wheezing, open-mouth breathing, bubbles or discharge from the nose and eyes, or frequent sneezing.
• Swelling or lumps – around the limbs, eyes, neck or under the chin.
• Diarrhoea or soiled vent – persistent loose faeces, worms visible in droppings, or straining to pass faeces.
• Difficulty moving – dragging limbs, stumbling, or reluctance to walk.
• Skin or eye issues – red or cloudy eyes, crusting, ulcers, or loss of skin/scales.

Why you should act promptly

Tortoises can deteriorate quickly once clinical signs appear. Early intervention improves outcomes and may prevent a minor problem becoming severe. Even if an issue seems minor, knowing the cause — whether infection, poor husbandry, parasites or metabolic imbalances — helps your vet advise on an appropriate plan.

What to do first at home (safe steps)

• Observe quietly: note changes in appetite, behaviour, breathing, bowel movements and mobility over 24–48 hours.
• Record details: take photographs or short videos of symptoms, and note when they began and any recent changes in housing, diet, or temperature.
• Check the environment: ensure the tortoise is kept on a stable surface and can access water and shelter without stress. Do not attempt treatments or give medicines without veterinary instruction.
• Minimise handling: only handle when necessary, and keep handling gentle to avoid stress or injury.
• Collect samples: if possible, bring a fresh faecal sample to your appointment for parasite testing.

When to contact a vet urgently

Contact a veterinary practice experienced with reptiles immediately if you see any of the following serious signs:

• Severe breathing problems – loud wheezing, gasping or blue/grey gums.
• Marked weakness or collapse – unable to right itself, unable to stand, or near unconsciousness.
• Rapid weight loss or severe dehydration – very sunken eyes or a floppy, lifeless posture.
• Deep wounds, broken shell or exposed tissues – visible bone or large open wounds.
• Visible worms in faeces or continuous bloody diarrhoea.

For these red flags, contact a vet urgently – do not delay.

What a vet may discuss or check

At the appointment, the vet or nurse is likely to:

• Take a full history of diet, environment, recent changes, and previous health problems.
• Perform a physical examination including shell, skin, mouth, eyes and respiration.
• Weigh the tortoise and assess body condition.
• Recommend diagnostic tests if needed, such as faecal parasitology, skin or shell swabs, blood tests, or radiographs.
• Advise on improvements to husbandry and nutrition alongside any treatments.

They will explain findings and proposed next steps; if diagnostics are required, the vet will outline benefits, risks and costs.

Practical questions to ask your vet

• What are the most likely causes of my tortoise’s signs?
• What tests do you recommend and why?
• Will my tortoise need ongoing treatment or follow-up visits?
• Are there husbandry changes I should make at home?
• What warning signs should prompt an immediate return?
• What is the expected recovery time and prognosis?

What to bring to the appointment

Bring recent photos or videos, a record of diet and housing, any packaging for supplements or food, and a fresh faecal sample if you have one. If your tortoise is small enough, a secure travel box lined with soft, absorbent material will help transport it safely.

Frequently asked questions

How often should I have my tortoise checked by a vet?

Regular health checks are useful, particularly for young animals, new owners or if you notice any changes. Your vet can advise a schedule based on species, age and health status.

My tortoise has a soft patch on its shell — is this an emergency?

A soft spot can indicate an underlying problem and should be assessed promptly. While not always an immediate emergency, it warrants veterinary review to determine the cause and prevent progression.

When is respiratory noise serious?

Occasional sneezing is not uncommon, but persistent wheeze, bubbling from the nostrils, open-mouth breathing or lethargy alongside respiratory signs are serious and require urgent veterinary assessment.

Can I safely give my tortoise human antibiotics or remedies?

No. Human medications and over-the-counter remedies can be harmful. Never administer medicines unless prescribed by a vet who has examined your tortoise.

What if my tortoise stops eating during winter?

Some species and individuals change their activity and appetite with the seasons. However, prolonged lack of appetite or weight loss at any time should prompt a vet visit to rule out underlying disease.

Find a vet near you