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Urgent care is for pets who are unwell, in discomfort, are in urgent situation or are not acting like themselves and should be assessed within 24 hours.
Can wait 24-48 hours?
Wellness, routine, or general care is for pets needing vaccines, preventive care, or ongoing monitoring who can safely wait at least 24 hours.
Urgent and ongoing care in Stittsville, Kanata & West Ottawa. Unwell today? Call 343-463-8787, option 1 during clinic hours or check wait times. Stable bookings: option 2. One-off urgent visits welcome.
Crystals in Urine (Crystalluria) in Dogs and Cats
Crystalluria is the presence of crystals in a urine sample; the crystal type, sample conditions and clinical context determine its significance.
What this finding can mean
Crystals in a urine sample are a laboratory finding whose importance depends on the crystal type, sample freshness and the pet's clinical condition. They do not automatically establish stones, infection or a blocked urinary tract.
Illustrative observation photo; it does not show a confirmed diagnosis. Photo: BARK Rangers of Russell Cave (c8981954-91d1-4e50-b71e-909168f10eb8).jpg by NPS Photo — Public domain. Unmodified.

Signs and situations this guide addresses
Crystals reported on urinalysis
Urinary discomfort in some animals
Frequent attempts or blood in urine when concurrent disease is present
Important distinctions
Crystals do not automatically mean bladder stones, infection or obstruction. Sample age and handling matter, while straining with little or no urine needs immediate triage regardless of the crystal result.
Related symptoms and care guides
Frequent Urination in Dogs (Pollakiuria) – Causes, Warning Signs & Urgent Care
Male Cat Straining to Urinate or Not Peeing or Peeing in Drops
Female Cat Not Peeing – When to See a Vet: Causes, Warning Signs, and Urgent Care
Cat Peeing Outside the Litter Box – Could It Be Medical? (Causes, Warning Signs, and Urgent Care)
Details worth noting
The following history can help the veterinarian interpret the change:
Whether the sample was fresh
The reported crystal type
Ability to pass a normal urine stream
Why examination matters
Crystals do not automatically mean bladder stones, infection or obstruction. Sample age and handling matter, while straining with little or no urine needs immediate triage regardless of the crystal result.
The examination determines whether the pet is stable and which findings belong together. An online description cannot establish the cause or substitute for assessing the whole patient.
Why brief improvement can mislead
Clear-looking urine does not establish that crystals, stones or a concurrent urinary problem are absent.
Follow the recommended assessment or review plan. New or worsening signs take priority over an earlier reassuring interval.
Information that helps assessment
Do not start a supplement, urinary diet or leftover antibiotic solely from a crystal report. Ask how the sample was collected and whether further testing changes the plan.
When to call urgently
Repeated attempts with little or no urine, painful straining, vomiting, weakness or collapse requires immediate assessment. Do not wait for a repeat sample or assume clear-looking urine means urine flow is normal.
If SKVH cannot receive your pet promptly or the clinic is closed, contact an open emergency hospital. Do not wait for a text or routine message reply in an emergency.
How veterinarians investigate
The clinician interprets the urinalysis and collection details alongside urinary signs. Imaging can investigate stones, while culture may answer an infection question. The ability to pass urine is assessed independently of whether crystals were reported.
Test selection follows the immediate clinical question. Some investigations or monitoring needs may require referral; this guide does not promise every test or treatment is available in-house.
Possible explanations and important risks
Some crystals can occur without clinical disease or develop as a sample sits. Others may be associated with a stone-forming environment, metabolic change or a specific exposure. Stones may be present without crystals being seen.
Treatment decisions and follow-up
Dietary or medical decisions depend on the full findings and, when available, stone composition. A generic urine-acidifying product is not appropriate for every crystal or stone type. Monitoring is tailored to the underlying concern.
Care at SKVH and next steps
SKVH offers hybrid care for dogs and cats in Stittsville, Kanata and West Ottawa: appointment-based urgent assessment during clinic hours and the continuity of wellness, diagnostics, surgery, dentistry and ongoing care. One-off urgent visits and continuing clients are both welcome.
We explain findings, discuss medically appropriate options and review an individual estimate before proceeding. Your pet’s condition determines whether care is urgent, planned or best provided through referral.
Urgent concerns: call 343-463-8787, option 1 · Live urgent-care wait times and visit information
Stable bookings and non-urgent questions: option 2 · Wellness and ongoing care
Further clinical reading: Veterinary reference.
Frequently Asked Questions
When should I seek urgent help for crystals in urine (crystalluria) in dogs and cats?
Repeated attempts with little or no urine, painful straining, vomiting, weakness or collapse requires immediate assessment. Do not wait for a repeat sample or assume clear-looking urine means urine flow is normal.
What can these signs mean?
Crystals in a urine sample are a laboratory finding whose importance depends on the crystal type, sample freshness and the pet's clinical condition. They do not automatically establish stones, infection or a blocked urinary tract. Crystals do not automatically mean bladder stones, infection or obstruction. Sample age and handling matter, while straining with little or no urine needs immediate triage regardless of the crystal result.
Why might a veterinarian recommend tests?
The clinician interprets the urinalysis and collection details alongside urinary signs. Imaging can investigate stones, while culture may answer an infection question. The ability to pass urine is assessed independently of whether crystals were reported.
Does temporary improvement mean the problem has resolved?
Clear-looking urine does not establish that crystals, stones or a concurrent urinary problem are absent. Dietary or medical decisions depend on the full findings and, when available, stone composition. A generic urine-acidifying product is not appropriate for every crystal or stone type. Monitoring is tailored to the underlying concern.
What should I avoid while arranging advice?
Do not start a supplement, urinary diet or leftover antibiotic solely from a crystal report. Ask how the sample was collected and whether further testing changes the plan.