Managing Your Cat's Bad Breath: Causes and Remedies

Bad breath — it happens to the best of us, including our beloved feline companions. Although many cases of our morning breath can be solved with a morning brush routine, cat bad breath often indicates a more serious medical problem, with both oral causes or systemic ones.

Why Does My Cat Have Bad Breath?

Oral Causes

According to International Cat Care, 85% of cats have some form of dental disease, and it's no wonder why. A cat's teeth and gums (aka gingival tissue) have naturally occurring bacteria. As these germs multiply and aren't removed via brushing, they can develop a bacteria plaque film on the teeth; this film hardens through natural minerals in your cat's saliva and becomes tartar. The bacteria in your cat's mouth that are not removed release smelly compounds after they breakdown leftover food particles. Not only does this cause cat bad breath, but mouth bacteria can travel via the blood to various organs, where they can cause infections throughout the body, often resulting in heart and kidney disease. The accumulation of tartar also forces the gums down, causing them to recede, which loosens the roots of the teeth. Eventually, those loose teeth fall out. This all makes for one stinky and painful kitty mouth.

Cats also can expose their teeth and gums to foreign objects — from bugs they catch and eat to nonfood objects that can cause injury or oral trauma. In addition to these sources, cats are known for their frequent hairballs and vomiting. Imagine how foul your breath would become if you couldn't clean your mouth after being sick and you begin to understand why cat bad breath develops.

Further oral causes of halitosis (the scientific name for bad breath) in cats include oral tumors, abscesses from dead teeth and inflammatory gum conditions.

Systemic Causes

The source of cat bad breath can't always be traced to the mouth. Some of the more common systemic causes of bad breath in cats are serious medical conditions that necessitate prompt medical treatment.

1. Chronic kidney disease: Kidney disease affects approximately one out of every three cats, reported Pet Health Network. As kidney function decreases, waste products, such as urea and ammonia, build up in the cat's blood. This may cause the cat's breath to smell like urine or ammonia.
2. Diabetes mellitus: Diabetes mellitus is a disease of the pancreas. Simply put, diabetes mellitus is a failure of certain pancreatic cells to regulate blood sugar. If your cat's breath stinks like a fruity odor, this is a sign of ketoacidosis, which may occur in diabetes. It's a potentially life-threatening condition.
3. Gastrointestinal trouble: Breath that smells like feces can occur with continued vomiting, especially when there is a bowel obstruction. Bowel obstructions are a medical emergency.

As you can see, bad breath in cats is anything but a frivolous and smelly inconvenience. While bad breath in people can be related to nonserious causes, such as eating garlicky food, bad breath in cats is more often a longstanding and serious condition. Luckily, there is often a solution.