When Might Your Pet Need a CT Scan?
Quick Answer: A CT scan may be recommended when a pet needs more detailed imaging than standard X-rays or ultrasound can provide. It can help investigate complex problems affecting the nose, ears, chest, abdomen, spine, joints or internal organs, and is often useful for planning treatment or surgery.
Introduction
Many local pet owners are familiar with X-rays, but fewer know when a CT scan might be suggested for their dog, cat, rabbit or other small pet. At Tooting Vets we regularly help owners across Tooting and South West London understand why advanced imaging is sometimes the best next step.
A CT scan creates highly detailed cross-sectional images of the body. This allows us to look at areas in much greater detail than we can with standard X-rays alone. In some cases, this helps us reach a diagnosis more quickly. In others, it helps us plan the safest and most effective treatment.
As part of our veterinary services, we offer CT scanning for pets when advanced imaging is appropriate. If your pet has ongoing symptoms and you are unsure what investigations may be needed, you can book an appointment online to discuss the most suitable options with our team.
What Is a CT Scan?
CT stands for computed tomography. It uses X-rays and computer processing to produce detailed images of slices through the body. These images can show bones, airways, soft tissues and certain organs much more clearly than a standard X-ray.
Our veterinary team often advises CT scanning when we need a clearer picture of a problem that is difficult to assess from an examination alone. It is especially useful for areas where structures overlap on normal X-rays, such as the skull, nasal passages, chest and spine.
Unlike a routine X-ray, which gives a flatter, two-dimensional view, a CT scan helps us assess the shape, size and position of structures in far greater detail.
When Might a Pet Need a CT Scan?
A CT scan is not needed for every illness or injury. In many cases, a physical examination, blood tests, X-rays or ultrasound are enough. However, CT can be very helpful when symptoms are ongoing, unusual, or difficult to explain.
1. Ongoing breathing or nasal problems
If a pet has long-term nasal discharge, noisy breathing, sneezing, or suspected narrowing of the airways, CT imaging may help us examine the nasal passages and surrounding structures in detail. This can be particularly useful when assessing blocked nasal passages, masses, chronic inflammation or structural changes.
For flat-faced breeds, advanced imaging may sometimes form part of a wider assessment. We also offer support through our BOAS Grading Clinic for brachycephalic pets with breathing concerns.
2. Ear disease
CT scans can be very useful for pets with persistent ear problems, especially when deeper structures may be involved. If a pet has repeated ear infections, pain around the ear, balance problems or suspected middle ear disease, CT may help assess the extent of the issue.
3. Lameness, joint or bone problems
When a pet has ongoing lameness and the cause is not fully clear on examination or X-rays, CT can help identify subtle bone or joint changes. It may also be used for complex fractures, elbow problems, spinal concerns, or surgical planning.
In some cases, CT forms part of a wider treatment plan through our advanced surgery and medicine services.
4. Chest problems
CT imaging may be recommended if we need to investigate the lungs, airways or chest cavity in more depth. This can help when a pet has breathing changes, unexplained coughing, abnormal chest X-rays or suspected growths.
5. Abdominal concerns
Although ultrasound is often the first choice for many abdominal problems, CT can sometimes provide additional detail. It may be useful when investigating more complex masses, internal changes, or cases where other imaging has not given a clear answer.
6. Neurological signs
If a pet has signs linked to the brain, spine or nerves, such as certain balance problems, limb weakness or spinal pain, CT may form part of the investigation. The most suitable imaging depends on the symptoms, and we will always explain why a particular test is being recommended.
7. Surgical planning
One of the major benefits of CT scanning is treatment planning. Before some advanced procedures, detailed imaging helps us understand exactly what is happening internally. This can support safer decision-making, whether a pet needs a standard operation, a more complex procedure, or in selected cases keyhole surgery.
How Does the CT Scan Process Work?
Many local pet owners ask us whether a CT scan is painful. The scan itself is not painful. However, pets need to stay completely still for clear images, so sedation or a general anaesthetic is often required. We will discuss this with you beforehand and explain what is safest for your pet.
In our experience supporting pets across Tooting and South West London, owners often feel reassured once they understand that CT scanning is a planned diagnostic procedure designed to gather clear information as safely as possible.
The process usually includes:
- A full clinical assessment first
- Discussion of why CT is being recommended
- Preparation for sedation or anaesthesia if needed
- The scan itself, which is usually quite quick
- Review of the images by the veterinary team
- A follow-up discussion about findings and next steps
If your pet requires monitoring before or after the procedure, our hospitalisation facilities can support ongoing care where needed.
What We Commonly See at Tooting Vets
At Tooting Vets we regularly help owners who have been told their pet may need further imaging and are unsure what that really means.
One of the most common concerns we hear is that CT scanning must only be for very serious cases. In reality, it is simply one of the tools we use when we need better detail. Sometimes it confirms that a problem is more manageable than first feared. Sometimes it helps us avoid delays by giving us clearer answers sooner.
Many local pet owners ask us whether a CT scan replaces every other test. A common misunderstanding is that it does. In practice, CT usually works alongside an examination, blood tests, X-rays, ultrasound or other investigations. The best diagnostic plan depends on the individual pet.
We also regularly help owners who are worried about the practical side of the scan, especially sedation or cost. These are sensible questions. Our local veterinary team will talk through the reasons for the scan, what it may show, and whether there are alternative options. You can also view our pricing information and ask us about available support such as 0% finance options where appropriate.
Practical Advice
If your pet has been referred for a CT scan or it has been mentioned as a possible next step, these points may help:
- Ask what question the scan is intended to answer
- Check whether your pet needs to fast beforehand
- Tell us about any medications or previous health conditions
- Bring details of earlier tests if these were done elsewhere
- Ask what the likely next steps will be after the scan
It is also worth keeping up with routine care. Preventative health checks can sometimes identify changes earlier, before problems become more advanced. You can explore our preventative healthcare options or ask about our VIP plans for ongoing pet care if you would like support with regular check-ups throughout your pet’s life.
For younger pets, our Little VIP plans can help owners build good health habits from the start.
When To Contact A Vet
You should contact a vet if your pet has ongoing symptoms such as persistent nasal discharge, repeated ear problems, unexplained lameness, breathing changes, pain, weakness, or symptoms that are not improving as expected.
If your pet is struggling to breathe, has collapsed, is having a seizure, has eaten something toxic, or is in severe pain, contact a vet immediately. We provide 24-hour emergency veterinary care for urgent situations.
If you are based in Tooting, Balham, Streatham, Earlsfield, Wimbledon, Wandsworth, Colliers Wood, Mitcham, Southfields or elsewhere in South West London, our experienced veterinary team can advise whether a standard consultation, further investigation or advanced imaging is the right next step. If you are new to us, you can register your pet with Tooting Vets online.
Frequently Asked Questions
Is a CT scan safe for pets?
CT scans are commonly used in veterinary medicine and are generally safe when performed with appropriate assessment and monitoring. If sedation or anaesthesia is needed, we will discuss the risks and benefits for your individual pet.
Will my pet need a general anaesthetic?
Many pets do need sedation or a general anaesthetic so they can stay still for accurate images. The exact approach depends on the pet, the area being scanned and their general health.
Can a CT scan diagnose everything?
No. CT is a very useful tool, but it is only one part of a full diagnostic work-up. Your pet may still need other tests such as blood tests, X-rays, ultrasound, biopsies or ongoing monitoring.
Is CT better than X-ray?
Not always. X-rays are often the best first-line test for many conditions. CT is usually recommended when we need more detail or when standard imaging has not given enough information.
Do rabbits and small pets ever need CT scans?
Yes, in some cases. CT can be helpful for selected problems in rabbits and other small pets, particularly when detailed imaging of the skull, teeth, ears or other structures is needed.
How do I know if my pet should be seen?
If your pet has persistent, unexplained or worsening symptoms, it is best to arrange a veterinary assessment. Our veterinary team often advises owners not to wait too long when signs are ongoing, even if they seem mild at first.
Disclaimer
This article is intended for general guidance only. If your pet is unwell, showing concerning symptoms, or you are unsure what to do, please contact your vet for professional advice.
Talk To Our Team About Advanced Imaging
If you have questions about CT scanning, ongoing symptoms, or the best next step for your pet, our team at Tooting Vets is here to help. You can book an appointment online, find and contact our practice, or register your pet with us if you are looking for a trusted local veterinary team in Tooting and South West London.



