What to put in dog food to stop eating poop?
Post Date:
December 30, 2025
(Date Last Modified: February 5, 2026)
Watching a dog eat feces is more than an unpleasant sight; it can be a steady source of stress and practical problems for families. Owners describe embarrassment when guests visit, constant cleanup, worries about parasites or infections, smelly breath, and the frustration of seeing a well-loved pet do something that feels wrong. There are broader goals behind stopping coprophagy: protecting your dog’s health, keeping your home and routines hygienic, preserving the dog’s social standing with other dogs and people, and maintaining a calm, trusting relationship. Some situations need quick fixes (a backyard visit that ends with a mouthful of stool), while others need longer-term medical or behavioral work (chronic coprophagy despite supervision). As a clinician I typically suggest owners start the process themselves—basic cleanup, diet adjustments, and training—while involving a veterinarian when signs of illness, persistent behavior, or multi-dog dynamics are present.
What to add to your dog’s food now — supplements and additives that can deter coprophagy
If a quick step is needed before a full plan is in place, certain safe food additions can reduce the appeal of feces and change digestion in ways that make coprophagy less likely. These options are not guaranteed stops, but they are commonly useful while you pursue diagnostics or training.
- High-fiber additions: Plain canned pumpkin (not spiced pie filling) can bulk stool and slow ingestion urges; start with about 1 teaspoon per 10 pounds of body weight once daily and adjust. Psyllium husk (a powdered fiber) may help firmer stools and slower intestinal transit; begin with very small amounts and check with your vet on appropriate dosing for your dog’s size and any medication interactions.
- Digestive enzyme supplements: Supplemental pancreatic or general digestive enzymes can help if food is not being broken down well in the gut. Owners sometimes see a reduction in feces eating within a few days if poor digestion was a contributing factor. Use products labeled for dogs and follow the package or your vet’s dosing guidance.
- Probiotics: A multi-strain, canine-formulated probiotic may normalize gut flora and reduce malodorous stools that attract other dogs. Look for products intended for dogs with clear CFU counts and canine-specific strains; benefit may appear in a couple of weeks.
- Commercial deterrent powders/liquids: There are taste-modifying supplements sold to make feces less appealing; evidence for these is mixed, but they can be tried as a short-term adjunct. Choose vet-recommended brands and expect variable results.
Digging into the biology: why some dogs eat poop
Understanding the reasons behind coprophagy helps pick the right solution. In many cases multiple factors are at work. Nutritional gaps or incomplete digestion may leave usable nutrients in feces; if that is happening, a dog may be drawn to re-ingest them. Parasitic infection or conditions that produce malabsorption can create a feedback loop where the dog remains hungry despite eating, making feces attractive.
Instinct also plays a role: mother dogs commonly clear puppies’ feces as a hygiene measure, and some juvenile dogs carry that behavior into adulthood. Foraging instincts—seeking caloric or scent-rich items—may make feces attractive, particularly if a dog’s diet or feeding schedule leaves them unsatisfied. Learned behavior and attention-seeking can maintain the habit; a dog may learn that picking up stool produces a reaction from people, which can be reinforcing. Scent attraction varies by diet and health—foul or protein-rich stool can be especially tempting.
Timing and triggers: the situations and environments that increase the behavior
Coprophagy tends to cluster around predictable moments. Puppies often experiment with stool as part of exploring and learning; most grow out of it but some do not. Nursing mothers commonly remove waste to keep the den clean. Senior dogs with cognitive decline sometimes engage in odd oral behaviors, including feces eating. Multi-dog households increase opportunity: one dog’s stool may be sampled by another.
Environmental access is a major trigger—yards with accessible droppings, dog parks, and communal runs raise the odds. Stressors such as confinement, boredom, sudden routine changes, or reduced exercise can increase scavenging. Diet shifts, recent antibiotics, or medication that alters appetite or stool taste can also create a window where coprophagy becomes more likely. Noticing the timing—after meals, during long waits, or right after yard time—helps target interventions.
Health and safety first: risks, warning signs, and when to call the vet
Eating feces exposes a dog to parasites and bacteria that may cause real illness. Signs that warrant prompt veterinary attention include persistent diarrhea, vomiting, weight loss, a dull coat, bloody stool, fever, or lethargy. Coprophagy that begins suddenly or becomes much worse over a short period may suggest emerging disease and should not be dismissed.
Other animals’ feces are a particular risk because they can contain organisms your dog is not immune to—Giardia, roundworms, hookworms, coccidia, and certain bacterial pathogens such as Salmonella or pathogenic E. coli are examples. If your dog has eaten unknown stools and then shows any concerning signs, a fecal parasite exam and possibly bloodwork are appropriate. If feces eating is persistent despite basic measures, consider more detailed diagnostics to look for malabsorption, pancreatic insufficiency, or other medical causes.
An owner’s action checklist: immediate fixes, weekly steps, and long-term plans
Start with a clear, prioritized sequence. This helps avoid wasting time on ineffective fixes and ensures health problems are not missed.
- Visit your veterinarian for a physical exam and fecal testing. Rule out parasites and ask whether basic bloodwork or pancreatic testing is indicated.
- If medical issues are ruled out or treated, improve diet quality: switch to a balanced, digestible food with appropriate protein and fiber levels; discuss adding fiber, enzymes, or a probiotic with your vet.
- Implement immediate cleanup—remove feces from the yard multiple times daily and supervise yard time. On walks, keep your dog on a short leash to limit access.
- Begin behavior work: teach “leave it” and a solid reliable recall, and provide an attractive food or toy alternative when passing feces outdoors.
- Track what you try and when. Keep a short journal of incidents, diet changes, and any supplements. If weeks of combined medical, dietary, and training steps fail, escalate to a veterinary behaviorist.
Train, manage, and redirect: effective behavioral strategies and environmental controls
Behavioral strategies reduce opportunities and teach better choices. A consistent “leave it” cue, rewarded promptly with a high-value treat when the dog ignores stool, can change behavior over time. Training sessions should be short, frequent, and positive; I typically recommend practicing in low-distraction settings before expecting success in the yard or park.
Remove opportunity by cleaning feces promptly and by managing outings: a short leash and close supervision are better than free-roaming when you’re trying to extinguish the habit. For walks, a head halter or gentle leader can offer better control of the head and mouth in high-risk areas. For dogs that repeatedly snap at droppings in a fenced yard, a routine of immediate removal plus enrichment—puzzle feeders, short training games, extra walks—reduces boredom-driven scavenging.
Tools and products that help: choosing supplements, deterrents, and cleanup gear
Simple tools make management easier. A sturdy poop scoop and reliable disposable bags reduce the chance of missed droppings; daily yard maintenance is one of the most effective environmental controls. For short-term prevention in supervised situations, a basket muzzle can prevent mouth access while still allowing panting and drinking—use only briefly and under guidance so the dog does not stress.
When choosing supplements or deterrents, favor products with veterinary endorsement or backing from a reputable veterinary nutritionist. Prescription high-fiber diets or veterinary-formulated therapeutic foods can help when stool quality or digestion is implicated. If you try an over-the-counter product, introduce it one change at a time so you can see whether any improvement follows.
Putting it all together: realistic expectations, troubleshooting, and next steps
Solving coprophagy usually takes a mix of health checks, diet adjustments, and behavioral work. Quick measures can reduce immediate incidents and give you time to pursue diagnostics and training. If a problem is medical, the sooner it is identified the sooner targeted treatment can begin. If behavior and environment are the main drivers, focused training and consistent cleanup often reduce or stop the habit. Persist with small, measurable steps rather than chasing miracle cures; tracking progress helps decide when to escalate to a specialist.
References and resources: veterinary guidance, studies, and product information
- American Veterinary Medical Association (AVMA): “Coprophagia — Why Dogs Eat Feces” client information page.
- Merck Veterinary Manual: “Coprophagy (Feces Eating) in Dogs and Cats” — clinical overview and management suggestions.
- Cornell University College of Veterinary Medicine: “Coprophagia in Dogs” client handout — causes, diagnosis, and home management steps.
- University of California, Davis Veterinary Medicine: “Behavioral Approaches to Canine Coprophagy” — training and environmental recommendations.
- American College of Veterinary Nutrition (ACVN): resources on dietary fiber, probiotics, and enzyme supplementation for canine digestive health.
