Why Does My Dog Eat Poo? Practical Steps and When to Call a Vet
| What is happening? | What to do now | What to note |
|---|---|---|
| An established habit in an otherwise well adult dog | Supervise, prevent access and reward moving away. | Where, when and whose stool your dog approaches. |
| A sudden or out-of-character change | Contact your vet for advice before changing food or adding a remedy. | When it began, appetite, weight and any other changes. |
| Poo eating with signs of illness | Call your vet. Do not wait for a behaviour plan to work. | Vomiting, diarrhoea, weight loss, coat changes and how your dog seems. |
Why dogs eat poo
Eating faeces is called coprophagia. This guide focuses on an adult dog eating dog faeces in the garden or on a walk. It does not try to identify one cause from the behaviour alone.
UK veterinary guidance lists habit alongside possible influences such as hunger, boredom and stress. Those are possibilities to discuss, not a checklist that lets an owner diagnose the reason at home. A sudden change deserves a different response from a familiar pattern.
The same survey recorded low owner-reported success for the commercial deterrents and behaviour approaches it asked about. It was not a controlled treatment trial, and it did not establish adherence or professional supervision. That is a reason to avoid cure claims, not proof that every properly supported plan fails.
Do not change a complete diet simply because you have seen this behaviour. If you want to check what the food is designed to provide, start with its declaration and our guide to complete and complementary dog food. A vet can assess whether the individual dog needs a medical or nutritional investigation.
Plan the next garden visit or walk
The immediate job is to make the unwanted behaviour harder to practise and make moving away worth doing. Keep the plan calm and repeatable. Punishment can add stress and does not explain what you want the dog to do instead.
- Go out with your dog rather than letting them find stool unseen.
- Have a suitable reward ready before the dog toilets.
- Encourage the dog to move towards you, then reward that choice.
- Clear the faeces promptly while the dog is occupied elsewhere.
- Watch the ground ahead and keep your dog close enough to guide away.
- Change direction before the dog reaches faeces where possible.
- Reward turning back to you or passing the spot.
- Record repeat locations or situations instead of scolding after the event.
Choose something your dog can have as a small training reward. Our guide to choosing a suitable training treat explains how the reward needs to fit the dog and the task. Count those rewards with the rest of the day's extras using the whole-day treat check.
If repeated access is difficult to manage, ask your vet about the next suitable step. Do not add pepper, aversive products or a home remedy to faeces, and do not assume pineapple will stop the behaviour. The evidence for pineapple as a treatment is not established.
Make a short record for your vet
A useful note describes the pattern without pretending to score or diagnose it. Record ordinary observations for several events if the dog is otherwise well. If the change is sudden or the dog seems unwell, call first and take whatever notes you already have.
| Record | Plain-language detail | Why it helps the conversation |
|---|---|---|
| When and where | Date, time, garden or walk, and the repeat location if there is one. | Shows whether the setting or routine is consistent. |
| Whose stool | The dog's own, another dog's, or not known. | Defines the exposure without guessing the cause. |
| What happened just before | Toileting, being let into the garden, approaching a spot, or another clear event. | Makes the sequence easier to understand. |
| The dog's wider health | Appetite, weight changes, vomiting, diarrhoea, coat changes and general demeanour. | Helps the vet decide what assessment may be needed. |
| What you tried | Supervision, clearing access, moving away and the reward used. | Shows what was actually possible and repeatable. |
Fictional example: Tuesday, 7:20am, back garden. Approached own stool immediately after toileting. Ate breakfast normally; no vomiting or diarrhoea. Came away when called and took one small reward. Stool cleared straight away.
If you also need to describe a change in the stool itself, use the separate guide to recording your dog's poo. Stool appearance cannot diagnose the cause, but a clear sequence can make the veterinary conversation more useful.
Questions about dogs eating poo
Does eating poo mean my dog is missing nutrients?
No, not automatically. The behaviour alone does not diagnose a nutritional deficiency. A vet can assess an individual dog's diet and health if the behaviour starts suddenly, seems unusual or comes with other changes.
How do I stop my dog eating poo on walks?
Watch the ground ahead, keep your dog close enough to guide away, change direction before they reach faeces and reward turning back to you. These steps manage access; they do not guarantee a permanent cure.
Should I punish my dog for eating poo?
No. Use calm supervision, prevent access and reward moving away. Punishment can add stress and does not teach the alternative behaviour you want.
Does pineapple stop dogs eating poo?
There is no established evidence that pineapple cures poo eating. Do not add it as a treatment. Use access management and ask your vet about sudden, unusual or persistent behaviour.
When should I call the vet about poo eating?
Ask your vet if it starts suddenly, is out of character or happens alongside weight loss, vomiting, diarrhoea, coat changes or a dog who seems unwell. Call before trying to diagnose the cause from the behaviour.
Sources and scope: The possible habit, hunger, boredom and stress factors, practical access management, punishment boundary and vet-call signs follow PDSA veterinary guidance on coprophagia. This is owner guidance, not a treatment trial. The narrow diet-category and deterrent observations come from Hart and colleagues' 2018 voluntary owner survey. The survey is observational, mostly from US and Canadian volunteer owners, and cannot establish cause, treatment efficacy or UK prevalence. This guide covers adult dogs eating dog faeces. It does not diagnose disease or deficiency, promise a cure, recommend supplements or change a prescribed diet.
picked for this page
Where to go next
More from this guide · 11 min read
Dog Food Allergy Symptoms: What They Mean — and What They Don’t
Food allergies in dogs can cause itching, ear trouble and gut signs, but symptoms alone cannot diagnose them. Compare causes and follow the reliable next step.
Read the guide
