A wet dog shaking off water after swimming, with a musty smell indicated by floating scent lines around it.

Why Swimming Makes Your Dog Smell Musty

Pet HealthPublished Jul 7, 2025Updated Oct 20, 2025
Dial A VetBy Dial A Vet

Discover why swimming can leave your dog with a musty odor. Explore causes, effective cleaning tips, and how to keep your furry friend smelling fresh!

Does your dog smell musty after a swim? It’s a common issue that can leave pet parents wondering what’s behind that unpleasant odor. While dogs love splashing in water, this fun activity often comes with a lingering scent that’s hard to ignore. Let’s dive into why this happens, what you can do about it, and how to ensure your pup stays clean and healthy after their aquatic adventures.

🩺 Vet Recommendations

When your dog smells musty after swimming, it’s usually due to a combination of factors. Water, especially from lakes, ponds, or the ocean, can carry bacteria, algae, or other microorganisms. Even clean pool water may leave your dog’s coat damp, creating the perfect environment for odor-causing issues.

Here are the main reasons your dog might develop that musty smell after swimming:

  • Moisture trapped in their fur creates an ideal breeding ground for bacteria and yeast.
  • Natural oils in your dog’s skin can mix with water, intensifying odors.
  • Environmental contaminants, like algae or stagnant water, cling to their coat.
  • Ear infections caused by trapped water in the ear canal can contribute to a bad smell.

Understanding these causes is the first step to tackling the problem and keeping your dog happy and healthy.

📋 Care Tips

To keep your dog smelling fresh and their skin healthy, you’ll want to take preventive measures and establish a post-swim care routine. Here’s what you can do:

  • Rinse thoroughly: Always rinse your dog with clean, fresh water after a swim. This helps remove bacteria, chlorine, salt, or other contaminants from their coat.
  • Dry them completely: Use a towel to dry your dog’s fur thoroughly, especially if they have a thick or double coat. A hairdryer on a low setting can also help for dogs prone to dampness.
  • Clean their ears: After swimming, gently dry your dog’s ears with a soft cloth or cotton ball. Avoid sticking anything into their ear canal, as this can cause damage.
  • Use a dog-safe shampoo: Bathe your dog with a gentle, pH-balanced shampoo designed for pets. This can help remove any lingering odors or substances.
  • Brush regularly: Brushing your dog’s coat after swimming prevents mats and removes debris trapped in their fur.

By following these steps, you can minimize odors and ensure your dog’s coat and skin remain healthy after their swim sessions.

✅ Do’s and Don’ts

When addressing your dog’s musty smell after swimming, here are some key do’s and don’ts to keep in mind:

  • Do: Check their skin for redness, irritation, or hot spots after swimming.
  • Do: Use a high-quality dog towel or absorbent cloth to dry their fur.
  • Do: Monitor their ears for signs of infection, such as redness, discharge, or head shaking.
  • Don’t: Use human shampoos, as these can disrupt your dog’s skin pH and cause irritation.
  • Don’t: Ignore persistent odors, as this could indicate an underlying issue like a skin or ear infection.

Being proactive about your dog’s post-swim care can make a big difference in preventing odors and keeping them comfortable.

💡 Expert Advice

If your dog’s musty smell persists despite regular cleaning and grooming, it may be time to consult a veterinarian. Chronic odors can sometimes signal underlying health problems such as:

  • Yeast or bacterial infections on the skin
  • Ear infections caused by trapped moisture
  • Allergies leading to increased oil production or skin irritation

Your vet can help diagnose the issue and recommend treatments, such as medicated shampoos, ear cleaners, or medications, to resolve the problem. Remember, early intervention is key to preventing more serious conditions.

For personalized advice, consider booking a telehealth consultation with a licensed vet. Services like Dial A Vet make it easy to get expert guidance from the comfort of your home.

FAQs

Q: Why does my dog still smell after I rinse them off?
A: Even after rinsing, moisture trapped in their fur can cause bacteria and yeast to grow, leading to a musty odor. Make sure to dry your dog thoroughly after every swim.

Q: How can I tell if my dog has an ear infection from swimming?
A: Signs of an ear infection include redness, discharge, a foul smell, or frequent scratching and head shaking. If you notice these symptoms, consult a vet promptly.

Book a $49 online vet consultation at https://www.dialavet.com for fast, expert advice.

References

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