Why Does My Dog Have Bad Breath? Causes and Solutions

While dogs will never have minty-fresh breath, extremely foul or unusual mouth odor is a sign that something needs attention. Understanding the causes helps you find the right solution.

Common Causes of Bad Breath

Dental Disease (Most Common)

• Plaque and tartar buildup
• Gum disease (gingivitis, periodontitis)
• Tooth decay or abscesses
• Affects 80% of dogs by age 3

Diet-Related

• Strong-smelling foods
• Eating garbage or spoiled food
• Coprophagia (eating feces)
• Fish-based diets

Medical Conditions

• Kidney disease (ammonia-like smell)
• Diabetes (sweet or fruity odor)
• Liver disease
• Oral tumors
• Gastrointestinal issues

Other Causes

• Objects stuck in teeth or gums
• Oral infections
• Sinus or nasal infections

Warning Signs

See your vet if bad breath is accompanied by:

• Changes in eating habits
• Excessive drooling
• Pawing at the mouth
• Bleeding from the mouth
• Loose or discolored teeth
• Weight loss
• Lethargy

Solutions for Better Breath

Daily Dental Care

• Brush teeth daily (or at least 3x weekly)
• Use dog-specific toothpaste (never human)
• Make it a positive routine

Dental Products

• Dental chews and treats (VOHC approved)
• Water additives
• Dental sprays
• Dental diets

Professional Cleaning

• Recommended annually
• Done under anesthesia
• Removes tartar below gum line
• Addresses serious issues

Diet Adjustments

• Feed high-quality food
• Avoid table scraps
• Consider dental-specific diets
• Provide raw bones (supervised)

Home Remedies to Avoid

Don’t use:

• Human toothpaste (contains xylitol, toxic to dogs)
• Hydrogen peroxide (unless directed by vet)
• Mouthwash (contains alcohol)
• Essential oils (many are toxic)

Preventing Dental Disease

Start early with:

• Puppy dental care routine
• Regular vet dental checks
• Appropriate chew toys
• Good nutrition
• Professional cleanings as recommended

Breeds Prone to Dental Issues

Small breeds are especially susceptible:

• Yorkshire Terriers
• Chihuahuas
• Pomeranians
• Dachshunds
• Cavalier King Charles Spaniels

When Fresh Breath Returns

With proper care, you should notice improvement in:

• Days: After dental products are introduced
• Weeks: After professional cleaning
• Months: With consistent home care

Fresh breath starts with regular grooming and dental care. Book an appointment today!