6 Signs Your Cat May Be Suffering a Urinary Tract Infection

6 Signs Your Cat May Be Suffering a Urinary Tract Infection (And Why It's Often Not an Infection at All)

By the time most owners notice, the cat has been uncomfortable for days. Here's what to watch for — and the one sign that can't wait until morning.

Updated 15 July 2026

Read time: 3 mins

Written by Sarah Lyn

Cat lover of 20 years

Reviewed by Dr. Emily Williams, DVM

There's one place a cat can't hide how she's feeling: the litter tray. She can be in real discomfort and still eat, purr, and look completely normal — she's wired to hide weakness. But urinary trouble leaves evidence. It's one of the most common reasons cats see the vet — and, misread as bad behaviour, one of the most common reasons they're surrendered to shelters.

Ahead: the six signs, the one that's a tonight-emergency, why the "infection" usually isn't one — and the routine for after your vet has done their part.

Title

1. More trips to the tray — with almost nothing to show for it

Lots of clumps, all tiny. Or she goes in, squats, and is back twenty minutes later to try again. Most owners call it constipation, or "she's just marking." Usually it's neither: an inflamed bladder feels full even when it's nearly empty — so she keeps trying, and keeps producing drops.

2. A pink tinge you're not sure you saw

Rusty streaks in a clump. Urine that looks darker on pale litter. Subtle enough to talk yourself out of. But blood in the urine is never normal, and it can come from inflammation, stones or infection — you can't tell which by looking. Not sure? Photograph it and show your vet.

3. Straining or crying out in the tray

The emergency sign — and it doesn't look like one. No blood, no drama. Just a cat sitting in the tray, straining, maybe crying out. But a cat that strains and produces nothing — especially a male cat — may have a urethral obstruction, and a fully blocked cat can go into kidney failure within 24 hours. This is not wait-and-see. It's go-tonight, even if tonight means an emergency clinic. Vets call it the one mistake owners don't get to make twice.

4. Licking around the genital area — more than grooming

Cats groom constantly, which is exactly why this slips past. But there's a difference between a wash and a cat who keeps returning to the same spot, urgently, between naps. She's soothing pain she can't reach — one of the earliest signs there is, and the easiest to explain away.

5. Peeing on the bath mat, in the sink, on your laundry

The sign most often misread as behaviour. She's protesting, or cross about the new sofa. Cats don't do revenge: a cat in urinary pain learns the tray means hurting, so she goes elsewhere — usually cool, smooth surfaces that feel soothing. A clean cat who suddenly "forgets" her training is telling you something medical, not making a point.

6. She's hiding — and grumpy about being picked up

Not on most symptom lists, but ask any vet nurse. A cat in urinary discomfort withdraws — under the bed, off your lap — and may hiss when lifted, because your hand is pressing on a sore bladder. A personality shift alongside any sign above isn't coincidence. It's confirmation.

The part that surprises everyone: it's usually not an infection

Nearly every owner thinks the same thing: UTI — she needs antibiotics. But in otherwise healthy adult cats, true bacterial infections are the minority. The most common diagnosis by far is feline idiopathic cystitis (FIC) — bladder-wall inflammation with no bacteria involved at all. The others: urinary stones and, worst case, the blockage in sign #3.

Only a urine test can tell them apart, so the vet visit is non-negotiable. But the diagnosis changes what comes after. Infection? Antibiotics fix it. FIC is different: it's driven by stress and inflammation — nothing for an antibiotic to kill — and in something like half of cats, it comes back within the year. If that's your cat, you didn't fail her. Urinary health just isn't a cure-it-once problem. It's a manage-it-every-day problem.

What vets tell FIC owners to do

Vet first, every time — some causes are fatal, and only the test tells them apart.
Water everywhere — dilute urine irritates less. Multiple bowls, a fountain, wet food over dry.
Small, frequent meals — and your vet may recommend a therapeutic urinary diet.
Clean trays in quiet spots — one per cat plus a spare. A cat avoiding the tray holds concentrated urine in an inflamed bladder.
Protect the routine — flares track stress: house moves, new pets, building work.

After the crisis: the other 364 days

The test comes back FIC, your vet builds the plan, the flare settles. Here's what nobody warns you about: the plan doesn't end. With a condition that returns in half of cats, the between-episodes job — water up, stress down, inflammation managed — runs on the days she seems completely fine. That's where most owners drift — not from not caring, but because "keep doing everything, forever" is hard.

Where marine omega-3s fit in

One piece of that daily picture is marine omega-3s — EPA and DHA. They help support the body's normal inflammatory response — relevant to an inflamed bladder wall — and it's why some veterinary urinary diets include them alongside adjusted minerals and antioxidants. They're not a treatment: they won't clear an infection, dissolve a stone or fix a blockage. They're one part of the routine, not a substitute for it. And they must be marine-sourced — cats barely convert the plant omega-3 in flaxseed into usable EPA and DHA.

The catch is consistency. EPA and DHA degrade with air exposure — an open bottle in the fridge is quietly losing potency. Capsules stay in drawers. And a stressed FIC cat is the last cat on earth who'll tolerate being wrestled into one.

Where Fureeze fits

We built Fureeze to remove that friction — not to replace your vet's plan, but to make the daily omega-3 habit one you'll actually keep.

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Tear, pour over food, done — no capsules to force into an already-stressed cat
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One sachet daily over food

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