What are the common uses and potential side effects of the dog antibiotic metronidazole?

Metronidazole is commonly used in dogs to treat infections caused by bacteria or parasites. It can also be used to treat certain inflammatory conditions in the gastrointestinal tract. However, some potential side effects of metronidazole in dogs include vomiting, diarrhea, and loss of appetite. It is important to follow the veterinarian's instructions carefully when giving this medication to your dog.