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It is not always known what causes irritable bowel syndrome, but some of the suspected factors are thought to be related to diet intolerances, possibly due to allergies, the ability of the food to effectively pass through the gastrointestinal tract, and mental distress. Irritable bowel syndrome in dogs is commonly associated with chronic inflammation and discomfort of an animal's bowels; however, it is not linked with any type of gastrointestinal disease.
The most common symptoms of irritable bowel syndromes is chronic, occasional large bowel diarrhea, including frequent passage of small amounts of feces and mucus, and constipation (dyschezia). Abdominal pain, bloating, vomiting, and nausea may also occur. Some abdominal pain may be present upon touching the dog's abdominal area as well.
Some potential causes of irritable bowel syndrome include:
You will need to give a thorough history of your dog's health, onset of symptoms, and recent activities, after which your veterinarian will perform a thorough physical exam on your dog, taking into account the background history of symptoms and possible incidents that might have led to this condition. This will help him or her rule out all other potential causes of large bowel diarrhea, including:
A type of slime that is made up of certain salts, cells, or leukocytes
Something that is related to the whole body and not just one particular part or organ
Turning something inside out
The digestive tract containing the stomach and intestine
A condition characterized by difficulty with normal defectation
The whole system involved in digestion from mouth to anus