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What your dog's gas is trying to tell you about their digestion 

Last updated January 2025

This article is written by Pet Circle veterinarian, Dr Olivia Clarke in partnership with Pro Plan .

Is your dog clearing the room with their gas? While occasional flatulence is normal, frequent or excessive smelly gas can be a sign that something isn't quite right with your dog's digestion. From food intolerances to gut imbalances, understanding the cause can help you fix the problem and get your pup back to feeling (and smelling) their best.

In this article, we'll uncover why your dog might be so gassy and the steps you can take to improve their digestive health. We'll also explore how diets like Pro Plan Sensitive Skin and Stomach and digestive supplements such as Pro Plan FortiFlora can help soothe sensitive tummies and restore balance in the gut.

 

Why Is My Dog So Gassy? Common Causes of Digestive Issues

 

Dietary Sensitivities or Food Intolerances: Like humans, food intolerances also occur in dogs. The most common food allergens for dogs are chicken, beef, soy, corn and wheat. Digestive disturbances that accompany food intolerances may include diarrhoea, vomiting and gas as well as red, itchy skin. 

Gut Bacteria Imbalance: Your dog's gut is home to trillions of bacteria that help digest food, produce nutrients and even strengthen the immune system. If the balance between good and bad bacteria is disrupted it can lead to excessive gas, bloating, and other digestive issues. This is known as dysbiosis and can be caused by numerous factors including diet, gut infections, antibiotics, stress and parasites. 

Poor-Quality Food: Low-quality diets filled with fillers and hard-to-digest ingredients can be a major cause of gas and stomach upset. 

Spoiled food: Spoiled food or food contaminated with bacteria can cause gastrointestinal distress leading to gas and other digestive symptoms like vomiting and diarrhoea. 

A sudden change in diet: Rapidly changing from one diet that your dog has been fed for a while to a new one often causes digestive upset including gas. Your dog's digestive system needs time to adjust and acclimate to the new diet so all food changes should be made gradually over 7-10 days. 

Eating Too Quickly: If your dog inhales their food in seconds, they're likely swallowing excess air, which can build up in their digestive system and cause gas. Slow feeding tools like puzzle feeders and snuffle mats can help to mitigate this.

Underlying Health Issues: Persistent gas can sometimes be an indication that there are more serious underlying health conditions at play such as inflammatory bowel disease (IBD), small intestinal bacterial overgrowth (SIBO), intestinal parasites or pancreatic issues.

 

What Your Dog's Gas Could Be Telling You

The type and frequency of your dog's gas may give you clues about their digestive health:

  • Smelly, Frequent Gas: Often a sign of poor digestion or food intolerance.
  • Gas with diarrhoea: Could indicate a sensitive stomach or a reaction to something they ate.
  • Gas with vomiting: May suggest a food intolerance or a more serious underlying health condition. 

 

How to Fix Your Dog's Digestion

Switch to a High-Quality, Sensitive Diet

Diet plays a critical role in your dog's digestive health. Switching to a formula designed for sensitive tummies can work wonders.

Pro Plan Sensitive Skin and Stomach is a high quality, scientifically developed diet specifically created for dogs with digestive and skin sensitivities.

Key Benefits:

  • Avoids common food allergens: Made with salmon and mackerel, by excluding the most common food triggers it is the perfect option for dogs with food intolerances. 
  • Easily digestible protein: Salmon and mackerel are highly digestible making it easy for your dog to absorb essential nutrients and it's gentle on the stomach. 
  • Rich in omega-3 fatty acids: Helps reduce inflammation, nourish the skin, and support a shiny, healthy coat.
  • Prebiotic fibres: Includes beet pulp and chicory to promote the growth of beneficial gut bacteria and improve digestion.
  • Dual action formula: Targets both skin and stomach sensitivities in one convenient recipe. 
  • Caters for all sizes and life stages: The range includes a kibble option for small and toy breeds, medium and large breeds and even puppies. 
     

Add a Probiotic to Support Gut Health

Probiotics can help restore the balance of healthy bacteria in your dog's digestive system. Probiotics are strains of beneficial bacteria that can be taken as a supplement to help modulate the microflora population in the gut, improve digestion and strengthen immunity. 

Pro Plan FortiFlora is a veterinarian-recommended probiotic supplement that:

  • Helps manage gas, diarrhoea, and other digestive upsets.
  • Contains a scientifically researched beneficial bacteria strain Enterococcus faecum that has been widely studied in dogs 
  • Contains a guaranteed level of live probiotics to support gut health.
  • Is microencapsulated, allowing it to withstand the acidity of the stomach and reach the lower digestive tract 
  • Is easy to use- simply sprinkle the powder over your dog's food once a day.

Either alone or when combined with a sensitive diet, probiotics have the potential to make a noticeable difference in your dog's digestion and overall 

 

 

Additional Tips for a Happy Tummy

  1. Slow Down Mealtime - Use a slow-feeder bowl to stop your dog from eating too quickly and swallowing excess air.
  2. Stick to High-Quality Treats - Avoid table scraps or low-quality treats that could irritate their stomach. Instead opt for high quality freeze dried single-protein treats or vegetables like carrots. 
  3. Ensure Proper Hydration - Make sure your dog has access to fresh water at all times to support digestion.
  4. Exercise Regularly - Gentle daily exercise helps keep their digestive system moving smoothly and reduces gas build up. 

 

When to See a Vet

While occasional gas is normal, you should consult your vet if your dog shows any of the following signs:

  • Persistent, foul-smelling gas.
  • Gas accompanied by diarrhea, vomiting, blood in the stool or bloating.
  • Lethargy, loss of appetite or noticeable weight loss.

These symptoms could indicate a more serious condition that requires medical attention.

Ready to help your dog ditch the gas and feel their best? Shop Pro Plan Sensitive Skin and Stomach and Pro Plan FortiFlora today! 

 

Further Reading 

The Scoop on Poop

Flea, Tick and Worming Guide for Dogs 

Fussy Dog Feeding Tips 

Dental Care for Dogs