Urinary problems in pets - when to call the vet and what to expect

March 11, 2022 · Updated September 26, 2026 · By Collar.pet
Urinary problems in pets - when to call the vet and what to expect

Urinary problems in pets: when to call the vet and what to expect

In brief

  • Straining, blood or frequent urination can have several causes.
  • Get urgent help if your pet tries but cannot pass urine.
  • Ask your vet whether tests confirm an infection before using medicine.

Frequent trips to urinate, straining, accidents indoors or blood in the urine are reasons to call a veterinarian. An infection is one possible explanation, but stones, inflammation and other problems can cause similar signs. Treatment depends on the cause; do not use leftover antibiotics or assume a home remedy will solve the problem.

First decide whether it may be an emergency

If your pet is trying to urinate but produces little or none, appears distressed, vomits, collapses or becomes very weak, seek urgent veterinary care. An inability to pass urine can become life-threatening, especially in male cats. If you are uncertain whether urine is being produced, contact your practice or out-of-hours service immediately rather than watching overnight.

For less urgent signs, note when they began, how often your pet urinates, whether there is visible blood and whether drinking has changed. Let your vet know about medicines, prior urinary problems and any recent diet change. Do not delay a routine consultation simply because a pet seems otherwise bright.

Why a urine test matters

A veterinary team may examine a urine sample and recommend a culture or further tests. The VCA overview of urinary tract infections in dogs explains that several underlying causes can produce urinary signs and why an accurate diagnosis matters. Ask whether your pet needs treatment for an infection, investigation for another cause or both.

If the practice asks you to collect urine at home, follow its instructions for container, timing and storage; a contaminated or old sample may be less useful. Do not start an antibiotic before the sample unless the vet directs you to. If medication is prescribed, give it exactly as instructed and ask when a recheck is needed. A recurrence may require a different investigation rather than another identical course.

Help your pet while following the plan

Ensure access to fresh water and opportunities to urinate, and keep the litter tray or outdoor area clean and easy to reach. These are comfort measures, not a cure. Observe whether the pet is actually passing urine and whether pain or behaviour changes. Tell the vet if signs worsen or fail to improve as expected.

Ask your vet: What did the tests show? Is an infection confirmed? What other causes are being considered? What should change by when, and what would require an urgent call? Keep those answers with the medication instructions for anyone else caring for your pet.

General information only; urinary signs require individual veterinary assessment. Substantively updated 26 September 2026.

Where Collar fits

For health questions, Collar is not a diagnostic or treatment tool. Its role is practical: help you keep your pet profile and service bookings organised, and make it easier to contact a participating care provider. Ask a veterinary professional to interpret symptoms, records and treatment.

Your pet profile
A service booking
Provider conversation

The experience depends on the services each provider has enabled. Explore the Collar app.

Powered by CollarPOWERED BYCOLLAROne App. All your pet needs.
Close