A healthy dog happily playing outdoors after a balanced diet promoting firm stools and digestive health.

How to Firm Up Your Dog's Poop

Pet HealthPublished Jul 7, 2025Updated May 8, 2026
Dial A VetBy Dial A Vet

Struggling with loose stool in your dog? Discover expert tips to firm up your dog's poop, including diet changes, hydration, and health checks for a happy pup!

Embark Dog DNA Test

Recommended Product

Your dog's DNA could reveal hidden health risks.

Screen for 270+ genetic health risks and 350+ breeds. Veterinarian developed, research partner of Cornell University.

$199 USD
$139 USD
Save $60· Free US Shipping

Finding unexpected surprises in your dog’s poop can be stressful. If your dog’s stool is loose or runny, it’s natural to worry. After all, your dog’s poop is a window into their overall health. The good news? There are practical steps you can take to firm up your dog’s stool and help them feel better. Let’s dive in.

⚠️ What to Watch For

Runny poop can range from mildly soft to full-blown diarrhea. While occasional soft stools aren’t uncommon, persistent or severe issues may signal an underlying problem. Here’s what to monitor:

  • Consistency: Is it soft, mushy, or watery?
  • Frequency: Are they going more often than usual?
  • Color: Is the stool an unusual color (e.g., black, red, yellow, or green)?
  • Other symptoms: Vomiting, lethargy, or loss of appetite?

If your dog is also acting sick or showing signs of dehydration, it’s important to seek veterinary care promptly.

🔍 Possible Causes

Several factors can lead to soft stools or diarrhea in dogs. Identifying the root cause is key to solving the issue. Common causes include:

  • Dietary changes: A sudden switch in food can upset your dog’s stomach.
  • Table scraps or treats: Rich or fatty foods can trigger digestive upset.
  • Food intolerance: Some dogs are sensitive to specific ingredients like dairy, grains, or certain proteins.
  • Stress: Anxiety from travel, new environments, or changes at home can lead to loose stools.
  • Parasites: Intestinal worms or protozoa like Giardia are common culprits.
  • Infections: Bacterial or viral infections can disrupt the digestive system.
  • Medical conditions: Issues like inflammatory bowel disease (IBD), pancreatitis, or liver disease may cause chronic diarrhea.

If the cause isn’t obvious, consulting your vet can help pinpoint the issue.

✅ What You Can Do at Home

If your dog seems otherwise healthy but has soft stools, you can try these simple remedies to firm things up:

  • Introduce a bland diet: Feed your dog boiled chicken or turkey with plain white rice or plain, unsweetened pumpkin. This can help soothe their stomach and firm up stools.
  • Add fiber: Fiber can bulk up stools and improve digestion. Options include canned pumpkin, psyllium husk (like Metamucil), or plain oats. Start with small amounts.
  • Hydration is key: Ensure your dog has plenty of fresh water. Dehydration can worsen diarrhea.
  • Probiotics: Probiotic supplements designed for dogs can help restore healthy gut bacteria. Look for a veterinary-recommended brand.
  • Gradual diet transitions: If you recently switched foods, transition slowly over 7–10 days by mixing the old and new diets.

These steps often resolve mild cases within a day or two. However, if your dog’s condition doesn’t improve or worsens, it’s time to reach out to your vet.

💡 When to Call a Vet

Some situations require professional intervention. Contact your vet if:

  • The diarrhea lasts longer than 48 hours.
  • You notice blood or mucus in the stool.
  • Your dog is vomiting, lethargic, or refusing food.
  • The stool has a tarry black or bright red appearance (which could indicate internal bleeding).
  • You suspect your dog ate something toxic, like chocolate or garbage.
  • Your dog is a puppy, senior, or has a pre-existing medical condition.

Persistent digestive issues should never be ignored, as they can signal serious health problems.

FAQs

Q: Can I give my dog over-the-counter anti-diarrheal medication?
A: Some medications, like loperamide (Imodium), may be safe in certain cases, but always consult your vet before administering human medications to your dog.

Q: How long does it take for my dog’s poop to firm up after switching diets?
A: It typically takes 7–10 days for your dog’s digestive system to adjust to a new diet. Make changes gradually to minimize upset.

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

References

Reviewed by Dr. Margarette, DVM — Dial A Vet

Disclaimer: This content is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is experiencing a medical emergency, contact your local veterinarian or emergency animal hospital immediately.

Embark Breed + Health Dog DNA Test

Recommended for Dog Owners

Embark Breed + Health Dog DNA Test

18,899 Reviews

The most comprehensive dog DNA test. Screen for 270+ genetic health risks and identify breeds from 350+ breeds, types & varieties.

$199$139Save $60

Free US Shipping · Veterinarian Developed

Related articles

Next available appointment

Loading…