If your vet prescribed metronidazole for your dog or cat’s diarrhea, here’s something important you should know 👇 Metronidazole can sometimes help in very specific cases — and there ARE times when medications are absolutely needed. (Severe infections, high fevers, certain toxins, and true medical emergencies.) But here’s the part most pet parents never get told: Metronidazole is one of the most overused drugs in veterinary medicine. And research shows it can: ⚠️ Kill good and bad gut bacteria ⚠