Why Does My Dog Eat Poop? Causes and Solutions for Coprophagia

Coprophagia (poop eating) is common and often treatable. This guide explains medical and behavioral causes, step-by-step solutions, what to avoid, and when to get professional help.

Why does my dog eat poop? (Coprophagia explained)

If you’ve discovered your dog eating feces, you’re not alone — many dog owners feel upset, embarrassed, or worried. Coprophagia is common and, in most cases, manageable. This guide explains the likely causes (medical, nutritional, and behavioral) and gives clear, actionable steps you can take today using humane, science-based methods.

I write as a certified animal behaviorist and professional trainer. The tone here is nonjudgmental: this is a solvable problem when you treat it like any other behavior — identify causes, set up management, and teach alternative behaviors using positive reinforcement.

Understanding Why: root causes of coprophagia

There is rarely a single cause. Consider four broad categories:

1. Medical causes (rule these out first)

• Intestinal parasites, malabsorption (exocrine pancreatic insufficiency), or other digestive problems can make a dog hungry or make stool more attractive.
• Diseases that increase appetite (e.g., diabetes mellitus, hyperthyroidism in rare cases) or cause nutrient loss can contribute.
• Nausea can prompt dogs to taste unusual things.

2. Nutritional causes

• Some dogs may eat feces because of a diet that doesn’t satisfy their digestive needs (poor digestibility), or because certain nutrients are missing.
• High-fat or poorly digested diets can make stool particularly appealing.

3. Behavioral and environmental causes

• Puppies explore and learn by mouthing — many stop as they mature.
• Boredom, anxiety, or attention-seeking can lead to coprophagia if the dog learns they get a reaction when they eat stool.
• Some dogs copy other dogs (learned behavior) or re-ingest their own after scavenging.

4. Early life and maternal behavior

• Mother dogs commonly clean up puppy feces. Some puppies mimic this behavior later.

Step-by-step solution: what to do today (numbered plan)

Follow these steps in order. Do not skip the veterinary check.

- Request a physical exam, fecal parasite test, and baseline bloodwork if coprophagia is new, frequent, or accompanied by weight loss, vomiting, diarrhea, or other symptoms. - Discuss exocrine pancreatic insufficiency, parasites, or gastrointestinal disease as possible causes.

- Remove feces from the yard and litter boxes promptly. The easiest way to stop the behavior is to make it impossible or much harder. - Supervise outdoor time (leash your dog in the yard or keep them with you) until behavior is reliably changed.

- Use a mesh scoop schedule for yard scooping or hire help. Consider a covered litter box with timed access for multi-pet homes. - When walking, keep your dog on a short leash (6 ft) and pay attention to the ground.

- Start indoors with high-value treats. Put a low-value object on the floor and reward your dog for choosing your treat instead when you say “Leave it.” - Gradually progress to more tempting items, then to outdoors and to real stool (using gloves and a sterile sample) only after your vet clears medical causes. - Teach “Drop” so the dog reliably releases items from the mouth. Reward heavily for compliance.

Training tips: use a marker (clicker or “Yes!”) and immediate rewards. Train in short (5–10 min) sessions several times daily.

- If you catch your dog approaching poop, present a higher-value treat and say “Leave it.” When they look to you, mark and reward. Praise and offer brief play as a secondary reward.

- Boredom and unmet needs contribute. Add puzzle feeders, nose-work games, longer walks, training sessions, and safe chew toys. - Feed multiple small meals to reduce scavenging driven by hunger if advised by your vet.

- Ask whether a change to a more digestible food or addition of fiber is appropriate. In some cases, increasing dietary fiber reduces fecal appeal. - Do not make major diet changes without professional advice.

- Commercial products claim to make stool taste bad when added to food (e.g., For-Bid); evidence is mixed. If you try one, discuss it with your vet first and stop if it causes GI upset. - Home remedies (pineapple, meat tenderizer) lack strong research support. Use caution and vet guidance.

- Short leash, head halters if your dog is comfortable with them, and structured walks reduce scavenging opportunities. - Supervised confinement (crate when you cannot supervise) prevents opportunistic eating indoors.

- Keep a journal of when coprophagia occurs (time of day, context, what preceded it) to identify patterns. Reward the absence of the behavior and celebrate small wins.

What NOT to do (common mistakes that make it worse)

• Don’t punish, yell at, or physically reprimand your dog. Punishment increases anxiety and can worsen scavenging and secrecy.
• Don’t rub your dog’s nose in feces — it’s aversive, ineffective, and damages trust.
• Don’t rely solely on taste deterrents without addressing medical causes, training, and management.
• Don’t stop veterinary follow-up if the behavior persists — medical causes can be subtle.
• Avoid quick-fix “dominance” or fear-based methods; they’re not supported by modern behavior science (see AVSAB and IAABC guidance).

When to seek professional help

Contact a veterinarian or certified behavior professional if any of the following apply:

• The behavior is new, sudden, or accompanied by gastrointestinal signs, weight loss, or lethargy.
• You’ve completed basic management and training but the behavior persists or worsens.
• Your dog shows signs of anxiety or compulsive behavior around stool.
• The dog becomes aggressive around stool or resource-guards food/treats fiercely.

• Your primary care veterinarian for medical screening.
• A board-certified veterinary behaviorist (DACVB) or a certified animal behaviorist (e.g., CAAB) for complex medical-behavioral cases.
• An IAABC-certified dog behavior consultant or a force-free trainer for practical training programs.

Prevention: set your dog up for long-term success

• Keep the yard free of feces and supervise outdoor time.
• Feed a balanced, digestible diet and address any medical conditions promptly.
• Provide daily enrichment: structured walks, training sessions, puzzle feeders, and chew toys.
• Teach reliable cues early: “Leave it,” “Drop,” and solid recall reduce opportunities.
• Socialize and train puppies with positive reinforcement so they learn appropriate behaviors instead of scavenging.

Evidence and humane training principles

This guide follows modern, humane behavior science: identify causes, use positive reinforcement, desensitization, and counter-conditioning rather than punishment. Professional organizations such as the American Veterinary Society of Animal Behavior (AVSAB) and the International Association of Animal Behavior Consultants (IAABC) recommend force-free, evidence-based approaches for behavior change (see sources below).

Key takeaways

• Always start with a veterinary exam; rule out parasites, malabsorption, and other medical causes.
• Manage the environment first: clean up feces and supervise to prevent access.
• Teach and reinforce alternative behaviors using positive reinforcement: “Leave it” and “Drop.”
• Address boredom, diet, and enrichment needs. Use deterrents only with veterinary guidance.
• Avoid punishment; seek professional help if the behavior persists, is sudden, or is accompanied by medical signs.

Sources and further reading

• AVSAB position statements and behavior resources: https://avsab.org/resources/position-statements/
• ASPCA advice on coprophagia: https://www.aspca.org/pet-care/dog-care/common-dog-behavior-issues/coprophagia
• VCA Hospitals: Coprophagia in Dogs: https://vcahospitals.com/know-your-pet/coprophagia
• International Association of Animal Behavior Consultants (IAABC) resources: https://iaabc.org/
• Patricia McConnell, PhD, on coprophagia (practical tips and compassion): https://www.patriciamcconnell.com/

Frequently Asked Questions