Hi there,

Regarding the abnormal urine you describe, common causes for this include:
- Urinary tract infection
- Stones / Crystals
- Tumor in the bladder
- Clotting problem (toxin, hemolysis of red blood cells, etc.)

These are the most common causes although other rare causes exist.

I would make an appointment for your veterinarian to examine your dog as soon as possible, especially if there are other signs of illness such as lethargy, loss of appetite, vomiting or diarrhea. If your vet does not have an appointment today, or your dog is not doing well - then going to the ER would be recommended.

Tests they may consider include - A test on the urine to look for an infection, possibly an x-ray looking for stones, and a small amount of bloodwork to check the kidneys and cell counts, including platelets for clotting.

I hope this information is helpful and guides you.
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The above is given for information only. Although I am a licensed veterinarian, I cannot legally prescribe medicines or diagnose your pet's condition without performing a physical exam. If you have concerns about your pet I would highly advise contacting your regular veterinarian.