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Dog Health7 min read2026-10-06

Constipation in Dogs, Symptoms & Causes and Medication

Dogs have sensitive digestive systems, and digestive problems can indicate various health issues. While diarrhea in dogs is generally a concern, constipation is a less-noticed problem. If a dog doesn't defecate once or twice a day, unlike their usual routine, it should raise suspicion of…

Written byBurak
Constipation in Dogs, Symptoms & Causes and Medication
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Dogs have sensitive digestive systems, and digestive problems can indicate various health issues. While diarrhea in dogs is generally a concern, constipation is a less-noticed problem. If a dog doesn't defecate once or twice a day, unlike their usual routine, it should raise suspicion of constipation. Constipation in dogs is a problem that should not be ignored; it can have various causes including poor nutrition, lack of exercise, dehydration, spinal cord injury, anal sac problems, and trauma to the pelvic region. In this article, you can find information about the most frequently asked questions and things you need to know about constipation in dogs. Causes of Constipation in Dogs There are many possible answers to the question, "Why does constipation occur in dogs?", so if your dog is constipated, you should consult a veterinarian. The causes of constipation in dogs can vary from dog to dog, but in general, they can be listed as follows: Diet: As in humans, low fiber intake can cause constipation in dogs. Moreover, dogs tend to eat non-food items. Various foreign objects that may attract their attention, such as hair and toys, can cause intestinal blockages and obstruct the passage of stool in dogs. Apart from all of these, it is also known that constipation can occur in dogs that consume bones or too much calcium. Therefore, to solve constipation in dogs, it may be necessary to revise their feeding plans, and it is important to follow the veterinarian's recommendations. Age: Studies show that the rate of constipation in dogs increases with age. Although the exact cause of this is not known, decreased bowel movements and slowed metabolism are accepted as risk factors. Activity Level: Low activity level is among the causes of constipation in dogs. To ensure both weight control and increased physical capacity, dogs need to have their daily exercise needs met. Medications: It is known that regularly used medications can cause constipation in dogs. This is especially common in dogs with allergies who use antihistamines.

Causes of Constipation in Dogs

Since there are many possible answers to the question "What causes constipation in dogs?", it is necessary to consult a veterinarian if your dog is constipated. The causes of constipation in dogs can vary from dog to dog, but in general, they can be listed as follows: Diet: As in humans, low fiber intake can cause constipation in dogs. Furthermore, dogs tend to eat non-food items. Various foreign objects that may attract their attention, such as hair and toys, can cause intestinal blockages and obstruct the passage of stool. Separately, it is known that constipation can also occur in dogs that consume bones or too much calcium. Therefore, to solve constipation in dogs, it may be necessary to revise their diet, and it is important to follow the recommendations of a veterinarian. Age: Studies show that the rate of constipation in dogs increases with age. While the exact cause is unknown, decreased bowel movements and slowed metabolism are considered risk factors. Activity Level: Low activity levels are among the causes of constipation in dogs. To maintain weight control and improve physical capabilities, dogs need to get enough exercise daily.

  • Diet: As in humans, low fiber intake can cause constipation in dogs. Moreover, dogs tend to eat non-food items. Various foreign objects that may attract their attention, such as hair and toys, can cause intestinal blockages and obstruct the passage of stool in dogs. Apart from all of these, it is also known that constipation can occur in dogs that consume bones or too much calcium. Therefore, to solve constipation in dogs, it may be necessary to revise their feeding plans, and it is important to follow the recommendations of veterinarians.
  • Age: Studies show that constipation rates increase with age in dogs. While the exact cause is unknown, decreased bowel movements and slowed metabolism are considered risk factors.
  • Activity Level: Low activity levels are among the causes of constipation in dogs. Meeting dogs' daily exercise needs is necessary for both weight control and increased physical capacity.
  • Medications: It is known that regularly used medications can cause constipation in dogs. This is especially common in dogs with allergies who use antihistamines.
  • Insufficient Water Intake: Constipation is possible in dogs that do not drink enough water. Indeed, increasing water intake is one of the primary answers to the question "how to relieve constipation in dogs?". It is important to monitor how much water dogs consume daily. It should not be forgotten that both dogs and cats always need fresh water.

In addition to all these factors, it is known that there are various medical conditions that can cause constipation in dogs. Digestive system disorders, hormonal problems, neurological diseases, and tumors affecting the colon and rectum can cause symptoms of constipation in dogs. Like cats, dogs can also have megacolon disease in the large intestine. Megacolon can be congenital or acquired. In this case, the large intestine enlarges or the muscles of the large intestine do not have enough strength for defecation.

Dog sitting on the toilet

Symptoms of Constipation in Dogs

Symptoms of constipation in dogs can vary depending on the severity of the condition and from dog to dog. The most common symptoms include inability to defecate for several days, very hard and dry stools, irritability, pain during defecation, the presence of noticeable mucus accompanying the stool, and decreased stool volume. In cases of severe constipation in dogs, these symptoms may be accompanied by vomiting, decreased appetite, refusal to eat, weakness, noticeable abdominal swelling, and blood in the stool. The answer to the question "What is good for constipation in dogs showing these severe symptoms?" should be given after examinations performed by veterinarians. For mild or moderate constipation symptoms, alternative solutions for constipation in dogs can be applied, if possible, after consulting with a veterinarian.

Diagnosis and Treatment of Constipation in Dogs

The diagnosis of constipation in dogs is usually made by taking a history of complaints and performing a physical examination. When evaluating the dog's abdomen, bloating and hardness will likely be encountered. At this point, a rectal examination may be performed to identify rectal strictures, tumors, or anomalies that obstruct defecation. In most cases, imaging methods are used to determine the extent of constipation or whether there is an obstruction. In advanced cases, an ultrasound may be necessary, and a biopsy may be considered if any mass is suspected.

If the causes of constipation in dogs are understood from the examination results, a more accurate treatment plan will be made. In most cases, the solution to constipation in dogs can be achieved simply. In this context, laxative medications may be used, hardened stools may be removed manually, or, although rare, surgical interventions may be considered depending on the identified cause. The use of constipation medication in dogs must be done under the supervision of a veterinarian.

Dog sitting on a human toilet

What Helps with Constipation in Dogs?

There are various methods to improve the comfort of our furry friends whose constipation causes have been determined by veterinarians. The answers to the question "What helps with constipation in dogs?" can be listed as follows:

  • Dogs' water consumption should be increased. Dehydration is among the most important causes of constipation. Therefore, dogs' water consumption should be constantly monitored. Extra water should be added to their food when necessary, they should be provided with clean water, and wet food should be added to their diet when needed. You can review wet foods specially formulated for the developmental stages of dogs by clicking here.
  • If you are looking for a solution for constipation in dogs, you should ensure they lead a more active life. Especially during periods when the problem occurs, you can increase your walking distances, play with them, and help increase bowel movements.
  • In some cases, a change in food may be necessary to prevent constipation in dogs. Dogs suffering from chronic constipation may be advised to switch to foods with more fiber. Veterinarians will help you choose a food based on your dog's breed, age, and general health condition. If switching to a new dry food, care should be taken to make the transition gradually. Sudden changes in food can also cause constipation.

How to Relieve Constipation in Puppies?

Constipation can occur frequently in puppies. During this period, dogs are very eager to explore their surroundings and may occasionally swallow foreign objects. To protect their health and prevent loss of appetite in cases of prolonged constipation, signs of constipation in puppies should be closely monitored. Constipation in puppies can also occur due to unhealthy diet, stress, and insufficient grooming. Therefore, the best approach is to work with a veterinarian.

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