The reason for bladder cancer in dogs is currently unknown. Understanding the signs of bladder cancer can alert an owner to a potential issue with his dog's health.
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Similar Diseases
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It is not uncommon for the symptoms of bladder cancer to be confused with various other conditions. Some common diseases that have similar symptoms include bladder stones, urinary tract infections (UTIs) and benign tumors, polyps or other noncancerous growths present in the bladder.
Urination
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One of the most common symptoms of bladder cancer becomes obvious when the dog begins to display difficulty with urination. Signs may include small but frequent amounts of urination or straining to urinate.
Respiration
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Unlike dogs with a UTI, dogs who are suffering from bladder cancer often deal with breathing problems and mild to severe coughing. These problems may become especially obvious following exercise.
Involuntary Urination
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Also known as incontinence, some dogs will suffer from involuntary urination. This can vary from "accidents" around the home to involuntary urination while the dog is asleep.
Blood
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Blood may be present in the urine or the feces. It may go unnoticed if it is present only in the feces or if the dog is not suffering from involuntary urination.
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