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Reasons Behind Canine's Fish-Like Odor Explored

Exploring the peculiar aroma emanating from your dog? Gain insights from our veterinary specialists on potential reasons, potential complications, and strategies for helping your furry friend.

A veterinary expert, Dr. Liz McCalley, discusses the odd occurrence of your dog emitting a fishy...
A veterinary expert, Dr. Liz McCalley, discusses the odd occurrence of your dog emitting a fishy odor, providing insight into the possible causes. The article has been examined by another vet, Dr. Rhiannon Koehler, and was last updated on May 16, 2023. Share, tweet, email, or print this enlightening piece.

Reasons Behind Canine's Fish-Like Odor Explored

Dogs are known for their loyalty and companionship, but they can sometimes present an unexpected challenge: their distinctive odour. While some may find this endearing, there are times when the smell can be concerning. This article aims to shed light on the various factors that contribute to a dog's odour, and what can be done to manage it.

Firstly, it's important to understand that dogs are attracted to things humans find putrid. This is due to their superior sense of smell, which allows them to detect scents we can't even perceive. However, this doesn't mean that a dog's smell should always be strong or unpleasant.

One common cause of a fishy odour in dogs is an overgrowth of yeasts or bacteria. This can be a sign of various health issues, such as skin infections like 'hot spots,' which are inflamed, moist, and often infected skin lesions. Another potential source of the fishy smell is the dog's anal glands. If a dog is experiencing issues with these glands, such as impaction or rupture, it may emit a strong, fishy odour.

Obesity, chronic diarrhea, constipation, environmental and food allergies can increase a dog's risk of anal gland disorders. Symptoms of an anal gland issue include scooting, leakage of anal gland contents, excessive licking of the area, swelling next to the anus, and an open wound next to the anus.

Regular grooming is crucial for long-haired dog breeds, but anal gland expression by groomers should be avoided. On the other hand, a vet should perform a rectal exam and express the dog's anal glands if necessary.

A fishy smell in a dog's urine may indicate a urinary tract disorder such as UTIs, bladder or kidney stones, prostate disorders, or bladder cancers. If a dog's pee smells abnormally pungent, a vet should be consulted, and they may perform a urinalysis, urine culture, X-rays, or ultrasound of the dog's abdomen to diagnose the problem.

Periodontal disease is a common dental problem in dogs, present in up to 84% of dogs over the age of 3. Gastroesophageal reflux (GERD) can also cause foul-smelling breath in dogs. Brushing a dog's teeth frequently, using enzymatic dog-safe toothpaste, dental chews, prescription dental diets, and chlorhexidine-based oral rinses can help alleviate bad breath.

If a vet rules out a dental issue as the cause of fishy breath, they may recommend a special diet or medication to help with a suspected gastrointestinal disorder. Feeding a high-quality complete and balanced diet can help keep a dog's skin and coat healthy and their gut-health in check.

It's worth noting that dogs are not concerned about their own body odours. If a dog is licking or scooting their butt, their anal glands should be checked by a vet. Weight loss, high fiber diets, hypoallergenic diets, and controlling environmental allergies with prescription medications and supplements may help ease symptoms of anal gland irritation in dogs.

Over-expression of anal glands, especially by groomers, may harm the anal glands and lead to future issues. Therefore, it's essential to consult a vet if you notice any unusual odours or behaviours in your dog.

In conclusion, while a certain level of dog odour is inevitable, understanding the potential causes and taking appropriate measures can help keep your dog healthy and smelling fresh. Always consult a vet if you have concerns about your dog's health or odour.

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