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5 Reasons Your Dog’s Breath Smells Like Fish (And How to Fix It)

Micki Bleha
Written By Micki Bleha
Writer + Editor
Original Publish Date: Dec 21, 2024, 07:59 PM
Last updated: Jan 3, 2025, 09:18 PM
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Woman petting a dog outside
View all Contents
  • Dietary Habits
  • Dental Hygiene Neglect
  • Digestive Disorders
  • Liver or Kidney Problems
  • Anal Gland Issues
  • Freshening Up Your Pup’s Breath
  • Final Note!

We all adore our furry companions, but sometimes, even the most dedicated pet parents can get taken aback by an unexpected olfactory challenge: fishy breath in dogs. While bad breath in canines is not uncommon, a distinct fishy odor may raise concerns and prompt a quest for answers.

In this post, we delve into the world of canine oral health to uncover the reasons behind this condition and offer practical solutions to freshen up your pup’s breath. We’ll explore the five common culprits contributing to your dog’s bad breath, from diet choices to underlying health issues.

Dietary Habits

The first suspect on our list is diet. Just like in humans, what your dog eats can significantly impact their breath. If your canine companion has a penchant for fish-based diets or frequently indulges in fishy treats, the residues left behind may contribute to the peculiar odor. While fish is a healthy protein source, moderation is key. Consider diversifying your dog’s diet to include dry dog food with a mix of proteins to mitigate the fishy scent.

Dental Hygiene Neglect

Dogs, like humans, are susceptible to dental issues. Poor oral hygiene can lead to the accumulation of plaque and tartar, fostering an environment where bacteria thrive and cause bad breath. Make tooth brushing a regular part of your pet care routine, and invest in dental chews, dog dental powder, or toys designed to reduce plaque buildup.

Digestive Disorders

An upset stomach or gastrointestinal issues can manifest in your dog’s breath. Conditions such as gastritis or inflammatory bowel disease may produce malodorous breath reminiscent of fish. If you suspect digestive problems, consult your veterinarian for a thorough examination and appropriate treatment.



Liver or Kidney Problems

Sometimes, fishy breath can be indicative of underlying health issues, such as liver or kidney problems. Both organs play a crucial role in filtering toxins from the body, and if they are not functioning optimally, it can result in unusual breath odors. Regular veterinary check-ups can help detect and address such issues early on.

Anal Gland Issues

While not related to oral issues, dogs have anal glands that can occasionally become impacted or infected, leading to discomfort and an unpleasant odor that may be mistaken for fishiness. If your dog is scooting or exhibiting signs of anal gland discomfort, this could warrant a trip to the vet for proper treatment.

Freshening Up Your Pup’s Breath

Balanced Diet

Opt for high-quality, balanced dog food that provides essential nutrients without an overwhelming fishy component. Consult your veterinarian for dietary recommendations tailored to your dog’s specific needs.

Regular Dental Care

Establish a dental care routine that includes regular brushing, dental treats, and toys designed to promote oral health. These practices can go a long way in preventing the buildup of plaque and maintaining fresh breath.

Veterinary Check-ups

Schedule regular check-ups with your veterinarian to monitor your dog’s overall health. Addressing any underlying health issues promptly can not only improve breath odor but also contribute to your dog’s overall well-being.

Anal Gland Treatment

If you suspect anal gland issues, consult your veterinarian. They can help to alleviate discomfort and resolve the smell associated with this particular concern.

Hydration

Ensure your dog stays adequately hydrated. Water helps flush out toxins and aids in digestion, contributing to fresher breath. Always have a clean bowl of water available for your furry friend.

Final Note!

A fishy smell emanating from your dog’s breath might initially puzzle you, but armed with knowledge and proactive measures, you can address the underlying causes and restore your canine companion’s breath to its pleasant state. Remember, maintaining your dog’s overall health is the key to ensuring those delightful kisses remain a joy for both you and your furry friend.

Your Pet’s Best Interest, Always

At Pet Institute, we take pet care seriously. We're dedicated to transparency, impartiality, and the well-being of your pets in every article, review, and recommendation we provide. Our unwavering commitment to these principles ensures that you, our valued reader, always receive reliable and unbiased information. Let us be your trusted guide in the world of pet care and companionship.

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Micki Bleha
Micki Bleha
Writer + Editor
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