Why Does My Dog Eat My Poop? Coprophagia Causes, Risks & Solutions
Why does my dog eat my poop? Explore the science behind coprophagia in dogs.
If you've ever caught your dog sneaking a snack from the litter box or yard, you're not alone. Coprophagia—the act of eating feces—is a surprisingly common behavior in dogs, with studies estimating that up to 25% of dogs engage in it at some point. While it's undeniably gross to us humans, understanding why dogs do this is the first step toward addressing it.
What Is Coprophagia and Why Do Dogs Do It?
Coprophagia (from the Greek kopros meaning "dung" and phagein meaning "to eat") is the consumption of feces. In dogs, this can involve their own stool, the stool of other dogs, or even the feces of other species like cats or rabbits. While it's a natural behavior in some contexts (mother dogs clean their puppies' waste to keep the den hygienic), persistent coprophagia in adult dogs often signals an underlying issue.
Common Causes of Coprophagia in Dogs
Understanding the root cause is essential for effective intervention. Here's a breakdown of the most common reasons dogs eat feces:
1. Nutritional Deficiencies or Malabsorption
Dogs with diets lacking in certain enzymes, fiber, or micronutrients may seek out feces to compensate. Conditions like exocrine pancreatic insufficiency (EPI) or intestinal parasites can also lead to poor nutrient absorption, prompting dogs to re-ingest stool in an attempt to extract more nutrition.
2. Behavioral Factors
Some dogs eat feces out of boredom, anxiety, or attention-seeking. Puppies exploring their environment may also sample stool out of curiosity. In multi-dog households, submissive dogs may eat the feces of more dominant dogs as a form of appeasement behavior.
3. Instinctual Drive
Wild canids sometimes consume feces to keep their den clean or to ingest partially digested plant matter from herbivore prey. This instinct can carry over into domestic dogs, especially those with strong scavenging drives.
4. Medical Conditions
Certain diseases can increase appetite or alter digestion, leading to coprophagia. These include:
- Diabetes mellitus – increased hunger due to glucose dysregulation
- Cushing's disease (hyperadrenocorticism) – elevated cortisol increases appetite
- Hyperthyroidism (rare in dogs, more common in cats but worth noting in multi-pet homes)
- Parasitic infections – worms like roundworms or hookworms steal nutrients
Health Risks of Eating Feces
While coprophagia itself isn't always dangerous, it can expose your dog to serious health risks:
| Risk | Description |
|---|---|
| Parasite Transmission | Roundworms, hookworms, whipworms, and Giardia can all be transmitted through fecal ingestion. |
| Bacterial Infections | Salmonella, E. coli, and Campylobacter are common in feces and can cause severe gastrointestinal illness. |
| Viral Diseases | Parvovirus can survive in the environment for months and is transmitted via fecal-oral route. |
| Toxin Exposure | If the feces come from an animal that ingested poison bait or toxic substances, secondary poisoning is possible. |
| Zoonotic Risk | Some parasites (like roundworms) can be transmitted to humans, especially children, through contact with a dog's mouth after coprophagia. |
How to Stop Your Dog From Eating Poop
Addressing coprophagia requires a multi-pronged approach that combines veterinary care, dietary adjustments, environmental management, and positive reinforcement training.
Step 1: Rule Out Medical Causes
Before assuming the behavior is purely behavioral, consult your veterinarian. They may recommend:
- Fecal flotation test ($25–$50) to check for parasites
- Complete blood count (CBC) and chemistry panel ($80–$200) to screen for metabolic disease
- Trypsin-like immunoreactivity (TLI) test ($60–$120) if EPI is suspected
- Vitamin B12 and folate levels ($50–$100) to assess intestinal absorption
Step 2: Optimize Diet
Switching to a high-quality, AAFCO-approved diet with adequate fiber and digestibility can reduce the appeal of feces. Some owners report success adding the following to their dog's food:
- Canned pumpkin (plain, not pie filling) – 1 tsp per 10 lb body weight daily
- Pineapple chunks – contains bromelain, which may alter stool taste (anecdotal evidence)
- Commercial coprophagia deterrents like For-Bid or Nature's Miracle Deterrent ($10–$25 per bottle) – these make stool taste unappealing after ingestion
Step 3: Environmental Management
The simplest and most effective strategy is to remove feces immediately after your dog defecates. Use a leash during potty breaks to maintain control, and supervise outdoor time closely. For cat-owning households, use a covered litter box or place it behind a baby gate that your dog cannot pass.
Step 4: Positive Reinforcement Training
Teach your dog the "leave it" command using high-value treats. Reward your dog generously for ignoring feces or coming to you immediately after eliminating. Never punish your dog for coprophagia—aversive methods can increase anxiety and worsen the behavior.
Does Coprophagia Mean My Dog Is Sick?
Not necessarily. Many healthy, well-fed dogs engage in coprophagia purely out of behavioral habit or instinct. However, sudden onset of the behavior in an adult dog—especially paired with other symptoms—should always prompt a veterinary evaluation. Chronic coprophagia can also lead to secondary health issues, so even if your dog seems otherwise healthy, it's worth addressing.
Breed Predispositions
While any dog can develop coprophagia, some breeds are more commonly reported to engage in the behavior. According to the Merck Veterinary Manual, breeds with high food motivation or scavenging instincts—such as Labrador Retrievers, Beagles, and terrier breeds—may be more prone to coprophagia.
Prevention Strategies for Long-Term Success
Consistency is key. Here's a long-term prevention framework:
- Immediate feces removal – Pick up stool within minutes of elimination.
- Supervised outdoor time – Use a leash or accompany your dog in the yard.
- Regular deworming – Follow your vet's parasite prevention schedule (typically every 3–6 months for fecal testing).
- Mental enrichment – Puzzle feeders, scent work, and daily training sessions reduce boredom-driven coprophagia.
- Dietary review – Reassess your dog's diet annually with your vet to ensure it meets their changing nutritional needs.
FAQ: Common Questions About Dogs Eating Poop
Is it normal for puppies to eat their own feces?
Yes, to a degree. Puppies explore the world with their mouths, and coprophagia is relatively common in dogs under 6 months old. Most outgrow the behavior with consistent management and training. However, it's still important to discourage it to prevent the habit from persisting into adulthood.
Can eating cat poop make my dog sick?
Yes. Cat feces can contain Toxoplasma gondii, a parasite that can infect dogs. Additionally, cat food residue in the stool is high in protein and fat, which can cause gastrointestinal upset or even pancreatitis in dogs if consumed regularly. The litter itself (especially clumping clay) can also cause intestinal blockages.
Are there any supplements that stop dogs from eating poop?
Some supplements containing Yucca schidigera extract, digestive enzymes, or probiotics are marketed to reduce coprophagia by altering stool odor or taste. While anecdotal evidence supports their use, scientific data is limited. Always consult your veterinarian before starting any supplement, especially if your dog is on medication.
Should I be worried if my dog eats rabbit or deer droppings?
Rabbit and deer feces are generally low-risk for parasite transmission, but they can still carry bacteria or environmental toxins. The bigger concern is that this behavior indicates a scavenging drive that could lead your dog to ingest something more dangerous, like rodent poison bait or toxic mushrooms. Redirect the behavior with training and environmental management.
How long does it take to stop coprophagia with training?
With consistent management and positive reinforcement, many dogs show improvement within 2–4 weeks. However, deeply ingrained habits may take several months to fully extinguish. Patience and consistency are critical—intermittent reinforcement (sometimes allowing the behavior) will make it harder to eliminate.
Coprophagia is a complex behavior with no single solution, but with veterinary guidance, dietary adjustments, and consistent training, most dogs can learn to leave feces alone. If you're struggling to manage the behavior on your own, consider consulting a certified professional dog trainer (CPDT) or a veterinary behaviorist for personalized support.
Marcus Aldridge
All our authors care for dogs every day — read more of their work on the authors page.



