Blocked bladder in dogs

Blocked bladder in dogs

By
✔ MRCVS
BSc
BVM&S
FHEA
Reviewed by Dr. Valter Carlos
✔ MRCVS
LMV
MSc
Updated October 16, 2025
5 min read

What to do

Causes

When to worry

Prevention

Symptoms

Home treatment

Vet treatment

Risk

Other causes

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Blocked bladder in dogs

Blocked bladder in dogs

By
✔ MRCVS
BSc
BVM&S
FHEA
Reviewed by Dr. Valter Carlos
✔ MRCVS
LMV
MSc
Updated October 16, 2025
5 min read

A blocked bladder means your dog is struggling to pee and can only manage a dribble, or nothing at all. They may even pass drops of blood. Stones and crystals are the most common cause of urinary blockages in dogs. Any age, sex or breed can be affected, but it’s most common in older male dogs and in certain breeds.

The bladder is part of the body’s waste-disposal system. If your dog can't pee, toxic waste builds up inside their body, making them very sick very quickly, and can be fatal. A dog who can't pass any urine at all will be in a lot of pain and won't survive more than a few days without treatment. The outlook is best when the problem is quickly identified and treated. So it's really important to recognise the warning signs of a blocked bladder in dogs.

What to do if your dog has a blocked bladder >What to do if your dog has a blocked bladder [What to do

Common causes of a blocked bladder in dogs >Common causes of a blocked bladder in dogs [Causes

When should you be worried about a blocked bladder >When should you be worried about a blocked bladder [When to worry

Tips to reduce the risk of a blocked bladder in dogs

How to tell if your dog has a blocked bladder

Home remedies for blocked bladder in dogs

How do vets treat a blocked bladder?

Are some dogs at higher risk of a blocked bladder? >Are some dogs at higher risk of a blocked bladder? [Risk

Other causes

Other possible causes for symptoms that resemble the early stages of blocked or partially blocked bladder include:

  • Cystitis - asking to go out more, lifting leg or squatting more frequently on walks, abnormal colour or smell to urine

  • Constipation - squatting more, possibly whimpering

  • Lower back arthritis - vocalising due to pain on squatting

  • Spinal injury - nerve damage makes your dog unable to pass urine but not straining, no urine produced (unless overflow), swollen abdomen

Joii can help with advice on:

  • Recognising signs of a blocked bladder or urinary tract disorder

  • Optimising your dogs water intake

  • Feeding the best diet for your dog’s needs

  • Giving medicine to dogs

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