The causes of many gastrointestinal disorders in dogs can be difficult to initially identify. Treatments initially start based on the clinical symptoms, which do tend to resolve over a couple of days. In situations where clinical symptoms persist (vomiting, diarrhea and weight loss) a diagnosis may be required in order to accurately treat the patient (Table 1). Electrolyte imbalances can quickly develop in animals with severe diarrhea, with oral hydration or intravenous supplementation being provided when required, intravenous routes being required if the animal is vomiting or clinically dehydrated.
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