You can not treat bad breath in your dog until diagnosis of cause because treatments depends upon underlying cause. Only your vet can help to find out proper cause. Following are some common causes of bad breath in dogs.
1. Inflammation of gums
2. Abscessed tooth or teeth
3. Mouth ulcers
4. Foreign materials like bone in mouth
5. Mouth and lung cancer
6. Kidney diseases
So, you should take your dog to vet for proper diagnosis and treatment.
1. Inflammation of gums
2. Abscessed tooth or teeth
3. Mouth ulcers
4. Foreign materials like bone in mouth
5. Mouth and lung cancer
6. Kidney diseases
So, you should take your dog to vet for proper diagnosis and treatment.