How Long Will It Take a Dog to Pass a Foreign Object?



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While their curiosity can be endearing, it can also lead dogs to consumer foreign bodies which can pose serious health problems. Dogs rely heavily on their senses of smell and taste to explore the world around them. Unfortunately, this means that they may find objects that pique their interest or seem particularly appealing. Their natural instinct may drive them to put such objects in their mouths. The consequences of ingesting foreign objects can quickly escalate into severe and even life-threatening situations for our beloved pets.
In some cases, dogs may be able to pass the foreign body on their own. This means any blockage is not permanent and they should be fine if they do not show any other symptoms. However, we need to know how long to wait until we might think a blockage has occurred. This is why AnimalWised asks how long will it take a dog to pass a foreign object?
- What is a gastrointestinal foreign body in a dog?
- If my dog ate something, how long before it passes?
- What to do if your dog does not expel the foreign body?
- How can I tell if my dog has swallowed a foreign object?
- What happens when the dog expels a foreign body?
- How to prevent my dog from swallowing foreign objects
What is a gastrointestinal foreign body in a dog?
A gastrointestinal foreign body in a dog refers to any object or substance that is ingested and becomes lodged in the dog's digestive system. It can include a wide range of items, often those which provide some interest for the dog. For example, if they resemble a prey animal they might eat in the wild or if they have an attractive smell. However, dogs will also often eat objects which seemingly provide no appetizing prospects.
Some examples of common foreign objects ingested by dogs include:
- Toys (whole or fragmented)
- Bones
- Rocks
- Socks
- Fabric
- Buttons
- Shoelaces
- Sponges
- Face masks
- Gloves Q-tips
- Aluminum foil
- Fruit seeds
- Earbuds
- Cigarette butts
- Plastic bags
- Bottle caps
- Tennis balls
These foreign bodies can obstruct or block the normal flow of food, water and waste through the gastrointestinal tract.
When a foreign body becomes trapped in the dog's digestive system, it can lead to various complications. The object may cause irritation, inflammation or damage to the intestinal lining. In more severe cases, it can result in partial or complete blockage, leading to symptoms such as vomiting, abdominal pain, lethargy, loss of appetite, constipation or diarrhea. If left untreated, a gastrointestinal foreign body can result in serious health risks, including intestinal perforation, infection or even death.
You might also be interested in this other article, where we explain what intestinal blockage in dogs is.

If my dog ate something, how long before it passes?
The time it takes for a dog to pass a foreign body can vary depending on several factors, including the size and nature of the object, its location within the gastrointestinal tract and the dog's individual health and digestive function. In some cases, a dog may be able to pass a small foreign object within a few days. In other instances, it may require medical intervention.
If your dog has recently swallowed an object, typically within the past hour or two, it's likely still in the stomach. If the foreign body is small and not causing any immediate distress, there is a chance that your dog may naturally expel it through vomiting within 10 to 24 hours after ingestion. In other cases, the foreign object may pass through the digestive system and be expelled in the feces, which can take up to 48 hours.
What to do if your dog does not expel the foreign body?
If your dog does not expel the foreign body, it is crucial to take immediate action to ensure their health and safety. Reach out to your veterinarian as soon as possible and explain the situation. They will provide guidance and may ask you to bring your dog in for an examination. The veterinarian may recommend diagnostic tests, such as X-rays or ultrasounds, to assess the location and severity of the obstruction.
In some cases, surgical removal of the foreign body may be necessary. If the object is causing a complete blockage or if it poses a significant risk to your dog's health, the veterinarian may recommend immediate surgery. Follow their advice and make arrangements for the procedure, if required.
It is important not to attempt any home removal of the foreign body, as this can potentially cause further harm or complications. For example, we may only see a part of the object and cause serious internal damage trying to extract it. Similarly, some objects may have sharp edges which lacerate tissues and lead to internal bleeding. Leave the removal process to the expertise of veterinary professionals.
Remember, time is of the essence when dealing with a potential obstruction caused by a foreign body. Prompt veterinary attention and proper medical intervention are vital to ensure the best possible outcome for your dog's health and well-being.
We may not always see our dog swallowing the object. In these cases, we may see other signs of a blockage such as the dog burping and coughing. In these cases, going to the veterinarian will help to diagnose the problem and provide the correct treatment. We look at other signs a dog has swallowed something they shouldn't in the next section.

How can I tell if my dog has swallowed a foreign object?
Identifying whether a dog has ingested a foreign body can be difficult, since there may not always be clear indications. It is essential to be aware of the following symptoms in your dog:
- Vomiting: frequent or persistent vomiting, especially if it occurs shortly after eating or drinking, can be a sign of a foreign body obstruction.
- Loss of appetite: a dog with an obstruction may show a decreased or complete loss of interest in food.
- Abdominal pain: dogs may display signs of discomfort or pain in the abdominal area. They might exhibit restlessness, pacing or a hunched posture.
- Diarrhea or changes in stool: presence of diarrhea, bloody stool or difficulty passing stool (constipation) can indicate an obstruction.
- Lethargy: a dog with an obstruction may appear unusually tired, weak or lacking energy.
- Excessive drooling: excessive drooling or hypersalivation can be a sign of discomfort or nausea caused by an obstruction.
- Swelling or bloating: the abdomen may become distended or bloated due to the blockage.
- Behavioral changes: some dogs may become agitated, anxious or show signs of discomfort when they have an obstruction.
- Pawing at the mouth or throat: dogs may paw at their mouth or throat area, indicating discomfort or an attempt to dislodge the foreign object.
- Coughing or choking: if the foreign body is lodged in the airway, the dog may exhibit coughing, gagging or choking.
It's important to note that these symptoms can vary depending on the location and severity of the obstruction.
If you suspect your dog has ingested a foreign object or is showing any of these symptoms, it is crucial to seek veterinary attention promptly. The surrounding intestine can deteriorate rapidly, and the dog's condition may worsen within a few hours or gradually over time.
Persistent vomiting and severe abdominal pain may indicate intestinal perforation, which requires immediate veterinary attention. Without prompt care, the dog's condition can rapidly deteriorate, potentially leading to collapse or even death.
Do not miss this other article, where we explain what inflammatory bowel disease or IBD is in dogs.
What happens when the dog expels a foreign body?
In most cases, you should be able to observe the following once the foreign body has been expelled:
- Relief of symptoms: the dog experiences a reduction in vomiting, abdominal pain, discomfort and other signs of distress associated with the obstruction.
- Normalization of bowel movements: the dog's bowel movements return to normal, with no signs of obstruction like blood or mucus in their stool.
- Resumption of appetite: gradually, the dog's appetite improves and they show interest in eating and drinking again.
- Monitoring for complications: despite the foreign body being passed, it is crucial to monitor the dog closely for any lingering symptoms or potential complications. If there are concerns about their health or if symptoms persist, it is advisable to consult a veterinarian for further evaluation.
In some cases, the presence of the foreign object can cause inflammation and irritation, leading to persistent symptoms like nausea, loss of appetite and a recovery period that may last several days. It is not uncommon for dogs to continue regurgitating food or fluids for a few days after the surgical removal.
During the recovery process, it is vital to prioritize rehydration and restore the dog's electrolyte balance. It is normal for the dog to have a decreased appetite and experience nausea in the days following the surgery. Additionally, it is common for dogs not to have a bowel movement for up to a week after the procedure.
Be sure to read this other article where we discuss why your dog is vomiting and has diarrhea.

How to prevent my dog from swallowing foreign objects
Prevention is the best way to spare your dog from the discomfort and pain associated with a foreign object lodged in their digestive system. By taking preventive measures, you can reduce the chances of your dog experiencing discomfort and the need for invasive procedures or surgeries.
While it may be impossible to eliminate all temptations, you can follow these recommendations to minimize the risk:
- Choose safe toys for your dog that cannot be easily chewed into small pieces. Always supervise playtime and be cautious with other objects that may pose a swallowing hazard. Discover the toys not recommended for dogs in our related guide.
- Ensure that trash cans are securely closed with lids that your dog cannot easily open. Dispose of trash promptly, especially if it contains items that your dog might find enticing or potentially harmful.
- Keep a close eye on your dog, especially when they are exploring new environments or playing with toys. Promptly intervene if you notice them chewing on or attempting to swallow inappropriate objects.
- Use baby gates or pet barriers to restrict your dog's access to areas where they may encounter harmful objects. Block off rooms or areas that contain items that could be tempting or hazardous.
- Avoid feeding your dog cooked bones or treats that can break into small fragments and be swallowed.
- Store potentially dangerous items such as small toys, batteries, coins, sharp objects, household chemicals and medications in secure cabinets or high shelves that your dog cannot access.
- Regularly clean up clutter, small objects and debris that can pose a risk to your dog. This includes keeping floors clear of small items that they might be tempted to swallow.
- Engage your dog in regular exercise, playtime and interactive toys to keep them mentally and physically stimulated. This can reduce their inclination to engage in destructive chewing or seeking out foreign objects.
Remember, each dog is unique, and some may have a stronger inclination to swallow objects than others. By being vigilant and proactive, you can significantly reduce the risk of your dog swallowing a foreign body and help keep them safe. If you have any concerns or uncertainties, consult your veterinarian for personalized advice and guidance.
This article is purely informative. AnimalWised does not have the authority to prescribe any veterinary treatment or create a diagnosis. We invite you to take your pet to the veterinarian if they are suffering from any condition or pain.
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- Demars, C., Boland, L., & Minier, K. (2023). Surgical removal of intestinal foreign bodies using a laparotomy‐assisted endoscopic approach in dogs and cats and comparison with enterotomy. Journal of Small Animal Practice , 64 (1), 43-50.
- Bruyette, D. (2020). Clinical small animal internal medicine.
- Burton, AG, Talbot, CT, & Kent, MS (2017). Risk factors for death in dogs treated for esophageal foreign body obstruction: a retrospective cohort study of 222 cases (1998–2017). Journal of veterinary internal medicine, 31 (6), 1686-1690.