TL;DR: Frequent urination in dogs often indicates bladder irritation or infection and warrants a vet visit within 24 hours; however, if your dog is unable to produce any urine while straining, it is a life-threatening emergency.
Why is my dog urinating so frequently?
It can be very distressing to see your companion heading to the door every few minutes only to produce a tiny amount of urine. In the veterinary world, this symptom is known as pollakiuria. It usually indicates that the bladder or urethra is irritated, causing your dog to feel the sensation of needing to go even when their bladder is nearly empty. Common causes include urinary tract infections (UTIs), bladder stones, or inflammation.
Is frequent urination in my dog a veterinary emergency?
- Urgency Level: This condition is generally classified as Medium, as it often signals significant discomfort.
- Recommended Action: You should aim to have your dog seen by a veterinarian within 24 hours.
- Emergency Warning: If your dog is straining but producing absolutely no urine, this may indicate a urinary blockage, which is a life-threatening emergency requiring immediate intervention.
How can photos and videos help a vet triage my dog?
- Urine Appearance: A photo of the urine on a light-colored surface or in a clear container helps the vet assess color, clarity, and the presence of blood or sediment.
- Straining and Posture: A short video of your dog while they are attempting to urinate allows the vet to observe their posture and level of straining.
- Clinical Differentiation: Visual evidence helps the veterinarian differentiate between behavioral marking and clinical discomfort or pain.
Clinical Context (Merck Veterinary Manual)
Failure of normal voiding is characterized by frequent attempts to urinate with stranguria and passage of only small amounts of urine. Inability to urinate can be due to mechanical obstruction of the urethra by calculi, neoplasms, or strictures; detrusor atony from overdistention of the bladder; or neurologic disease. Animals with abnormalities of the voiding phase may develop overflow incontinence due to dribbling of urine associated with bladder overdistention. Neurologic causes of micturition disorders can be categorized as upper motor neuron (UMN) or lower motor neuron (LMN) lesions. A thorough history should include changes in water consumption, frequency of urination, volume of urine produced, and appearance of urine. Physical examination should include palpation of the bladder, examination of external genitalia, and in dogs, rectal examination to evaluate the urethra in both sexes and the prostate in male dogs. A full neurologic examination should be performed on all animals with micturition disorders.
Chapter: Neurology, Urology
Source: The Merck Veterinary Manual, 11th Edition (Page 1524)