My Golden Retriever Has Had The Diarrhea For Two Days Now. In Fact, He Was Just To The Vet, I Mentioned That He Had The Diarrhea, The Vet Said He Must Have Got Into Something That Did Not Agree With Him. The Vet Said It Would Pass. What To Do?

Diarrhea in dogs can be due to bacterial, viral, fungal, and parasitic infection of gastrointestinal tract, food allergy, eating garbage, changes in diet, some other illnesses, lymphoma, cancer and side effects of many medicines. Stress can also cause diarrhea in dogs. Treatment of diarrhea in dogs depends upon underlying cause. Diagnosis may require blood & fecal tests, and x-rays. After proper diagnosis, any treatment can be suggested.