Cat unable to urinate – when to see a vet?

Updated 2026-09-30 · 1 sources

Based on: PDSA

See a vet now

This can be an emergency – contact your vet or the nearest emergency vet right now. In cats, being unable to pass urine is a life-threatening condition.

When to contact a vet What to do now

Contact a vet if you see any of this

Your cat is unable to pass urine

What you can do now

Contact your vet immediately.
Note when it started, how often it happens and what else you see.
Take a photo or short video to show the vet.
Keep fresh water available.
Let your cat rest somewhere calm.

Don't

Do not give any human medicine.
Do not wait if it gets worse.

What it can mean

Being unable to pass urine can be life-threatening.^[1] It requires immediate veterinary attention.^[1]

What the experts say

“Call your vet immediately if your cat is showing any of these signs, and is unable to pass urine – they may be suffering from a blocked bladder which is a life-threatening emergency.”
— PDSA [1]

If your pet is struggling to breathe, has collapsed, is having a seizure or can't stand up: go to the nearest vet now.

Not sure how serious it is?

OkPaw asks a few quick questions about your pet and tells you in 30 seconds whether it can wait. Free on Google Play for Android.

OkPaw is on Android now – an iPhone version is on its way.

Common questions

Can being unable to urinate be life-threatening?

Yes. Being unable to pass urine can be life-threatening.^[1]

When should I contact a vet?

Contact your vet immediately.^[1]

What should I do if my cat is unable to pass urine?

Call your vet immediately.^[1]

Sources

PDSA

How this page was made: written with the help of AI from the sources below, then checked claim by claim against those sources. Urgency levels follow OkPaw’s fixed safety rules. It is guidance, not a diagnosis. How we write our pages

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