Never Take Bad Dog Breath Lightly- Schedule A Medical Check-Up with Your Vet Immediately! While bad breath in dogs is a common issue, it should not be ignored, as it could be a sign of an underlying health problem. If your dog’s breath smells bad, it could indicate a dental issue, such as periodontal disease caused by bacteria buildup and plaque in the mouth. If left untreated, periodontal disease can lead to tooth loss, gum infections, and even systemic infections that can affect other body parts. Other health issues such as diabetes, kidney disease, and gastrointestinal problems can also cause bad breath in dogs. In dogs, various factors can cause…