02/06/2026
BAD BREATH IN DOGS đ¤˘
Contact your vet if you notice a change in your dogâs breath, especially if they seem to be in pain, have stopped eating or seem unwell. Bad breath isnât normal, even in older dogs.
Halitosis (bad breath) in dogs can be caused by:
⢠Dental disease - This is the most common cause of halitosis in dogs. Tartar build-up, gingivitis, infections, and tooth root abscesses can make your dogâs breath very smelly.
⢠Kidney disease - When your dogâs kidneys arenât working properly, toxins and waste products build up in their body. This causes a number of symptoms, including breath that smells like ammonia (similar to bleach).
⢠Diabetes - This causes chemicals called âketonesâ to build up in the body which leads to a variety of symptoms including sweet smelling breath (similar to pear drops or nail polish remover).
⢠Infection or Something stuck in the mouth - An object stuck in the mouth, such as a bone or stick, can become really smelly, especially if it causes a wound and/or infection to develop.
⢠Oral lumps - These are abnormal tissue growths in the mouth, including the gums, tongue, or lips which can often become infected and smell.
⢠Diet - The food your dog eats could affect their breath. For example, fish based diets can make your dogâs breath smell fishy. If you change your dogâs diet, you may notice their breath smells different