Below are possible causes for your dog’s seizures based on the history you provided. Not listed but possible for cause of seizures at this advanced age, is cancer of the brain, either primary or by spread from another primary cancer elsewhere in the body. Given the dangers that untreated seizures can present, as well as the seriousness of these diseases, a vet visit is recommended ASAP. If you still seek further information, please visit our
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Chronic active hepatitis
Dear Doctor, My dog is 13 years old. He is a small dog, 19 pounds. A day ago, he started showing weakness in his back legs. I had to carry him down stairs. He has stopped eating or drinking. He is vomiting yellow stuff. Please help!