Guide to Dog Bowel Movement Diseases and Conditions
" Issues that involve dog bowel movement problems range from symptoms such as diarrhea and blood, to constipation and everything else in between. The best thing you can do when dealing with what your dog deposits in the backyard, is to know if there is a problem when you see one. There is a good reason why one of the first things a vet asks you when your dog is sick, relates to your dog’s bowel movement. Its size, color, smell, texture and frequency tells the vet a story about what is going on inside your dog and helps as a diagnostic tool . The veterinarian will first determine if the problem is in the large or small intestine, and then narrow down the specific cause. The recommended treatment is based on the cause identified. If a dog is suffering from diarrhea, along with another symptoms such as blood or vomiting, then visit the veterinarian as soon as possible. 50% of cases where there is diarrhea that lasts longer than a few days is caused by colitis."
Types of Dog Bowel Movement Problems:
The most common dog bowel movement issue tends to be diarrhea, followed next by constipation. Typically, if a dog has diarrhea, s/he will range back and forth between one extreme and the other before the situation settles and their bowel movements are more “normal.”
Keep in mind as well that what is “normal” for your dog and someone else’s may be two different things. So, just because the neighbor’s dog may have a loose stool and yours does not, may simply mean they’re being fed a grain based diet that produces large amounts of loose stool, while yours is being fed a high end holistic brand that does not produce copious quantities of loose stool.
What we’re aiming to provide you with is a guideline to dog bowel movement problems that really “are” a problem and need vet treatment.
Dog bowel movement problems can be caused by the following diseases and conditions::
- Dog Colitis and Irritable Bowel Syndrome: This dog bowel movement disease describes inflammation in the dog colon. Approximately 50% of dogs that have chronic diarrhea have this problem. Dogs suffering from canine colitis will show pain when passing a stool, will squat for a long time when defecating, gas, and small stools that contain mucus and blood. A dog will need an examination of a stool specimen, colonoscopy and biopsy to confirm the diagnosis. Treatment involves adding fiber to the diet, and antibiotics to treat any bacterial infection.
- Inflammatory bowel disease is an intestinal disease. It includes dog bowel problems such as:
- Canine Lymphocytic-Plasmacytic Enterocolitis: this type of bowel disease is triggered by dog giardia, bacterial overgrowth, food allergy. Symptoms are commonly vomiting and diarrhea. Treatment involves dietary change.
- Eosinophilic Enterocolitis: Very uncommon problem caused by either food allergy or a worm. The condition is treated with corticosteroids and a change to a hypoallergenic dog food.
- Granulomatous Enteritis: This uncommon disease is caused by inflammation in the small bowel. Symptoms include bloody dog diarrhea. Treatment is with corticosteroids and immunosuppressive medications and metronidazole. Surgery may also be required.
- Neutrophilic Entercolitis: This form of canine IBD starts suddenly in the large bowel. Treatment is with corticosteroids and antibiotics.
- Histiocytic Ulcerative Canine Colitis: This condition occurs in the Boxer breed when the dog is under 2 years of age. Symptoms of canine Histiocytic ulcerative colitis include diarrhea with blood and mucus. Treatment includes dietary change and medications if necessary.
- Acute Infection Canine Enteritis: This condition refers to an infection in the gastrointestinal tract such as canine parvovirus and salmonella. Symptoms include diarrhea and vomiting with or without blood. Other symptoms of acute infection enteritis are fever, dehydration and loss of energy. Treatment involves fluids to correct dehydration and antibiotics for any bacterial infection.
- Canine Malabsorption Syndrome: This is not a specific disease, but the result of other conditions that trigger a digestive problem where food is not absorbed normally by the body. It can be triggered by problems with the pancreas. Types of canine malabsorption syndrome include:
- Idiopathic villus atrophy: This is a small intestinal disease (primarily found in German Shepherds) where the small bowel is not absorbing food and liquids correctly.
- Small Intestinal Bacterial Overgrowth: When diarrhea has a bad smell, this can be the cause, where the flora of the small intestine in not at normal levels. It can be triggered by pancreatic problems (pancreatic insufficiency), IBD, or an aftereffect of dog bowel surgery. Treatment can include a switch to gluten free dog food and antibiotics.
- Foreign Objects: Dogs are always swallowing different objects. Unfortunately, dogs are capable of swallowing objects that are larger than what they can pass through the stomach. Surgery is used to remove objects that cannot pass naturally through the body.
- Canine Bowel Obstruction: This refers to anything that blocks normal dog bowel movement function, usually a foreign object. Other causes include tumors, or a problem where the bowel folds on itself (called canine intussusception). If the bowel is completely obstructed a dog will experience continuous vomiting. If the dog bowel problem is a partial obstruction, then symptoms include diarrhea that is possibly accompanied by occasional vomiting. A canine bowel obstruction is treated with surgery to correct the identified problem.
- Dog Gas: Certain foods, or a dog that takes in too much air when eating can cause a dog to have gas. It is also a symptoms that is associated with food malabsorbtion. Treatment involves reviewing the causes listed above and dietary change to a food such as Hill's i/d.
- Canine
Coprophagia (dog eating stool): When a dogs eats a stool,
it can result in a dog bowel movement problem called dog coprophagia.
Dog stool eating is a problem as it could introduce parasites into the
body, not to mention causing symptoms such as vomiting and diarrhea.
Eating a dog stool could be a bad habit formed when a dog is a puppy, requiring behavioral modification/training. If a dog is suffering from malabsorption, then to meet the increased appetite levels demanded by the body, a dog might eat anything in sight including a dog eating stool. Treatment involves cleaning stools quickly, or making the dog stools less appetizing with an additive such as Forbid or Potty Mouth. - Canine Peritonitis: This is the part of the body that holds the abdominal organs. When an organ in the body is leaking, the fluid can accumulate in this cavity causing canine peritonitis. There are many possible causes for this condition that causes blood, urine, food or digestive enzymes to enter this cavity. Symptoms include labored breathing, rapid breathing, severe abdominal pain when touched, a hardening of the abdomen and vomiting. If you suspect canine peritonitis, call your veterinarian immediately. Canine peritonitis is an immediate medical emergency, requiring emergency surgery to repair the rupture.
Dog Diarrhea:
Diarrhea is the most common dog bowel movement complaint owners have when they take an ill dog to see the vet.
Most people are familiar with what diarrhea means, and so we won’t define it for you, but suffice it to say that it’s feces that moves fast through the dog’s digestive tract, which means they don’t absorb the proper electrolytes, nutrients and water. Some dog bowel movements may have mucus or fresh blood in them. If this persists for three weeks or more, it is referred to as chronic diarrhea. If you have a small dog with diarrhea, do not wait any longer than two days to see the vet. It’s too dangerous for them, as they dehydrate quickly.
Persistent diarrhea leads to weight loss, loss of appetite, loss of body condition, apathy, lethargy, depression, poor skin/coat condition and a decrease in their usual activities.
Dog bowel movement problems that result in diarrhea are usually the result of problems in either the large intestine or the small intestine. Treatment will vary based on which part of the intestine is causing the problem.
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Dog Small Intestine
Dogs that are suffering from
diarrhea caused by problems in the small intestine often lose weight
due to a loss of nutrient absorption. They may also suffer
from edema (fluid accumulation in the belly or legs). Treatment often
includes withholding of food for 1 to 2 days (not water), followed by a
bland diet for several days such as chicken and rice. |
Dog
Large Intestine
This type of dog diarrhea can be
caused by parasites such as whipworms, polyps in the intestine, IBD
(inflammatory bowel disease), ulcers or cancer in the colon.
Treatment depends on the identified cause and often includes
the addition of fiber to the diet and the medication sulfasalazine for
intestinal inflammation. |
General Causes of Dog Diarrhea:
- Bacterial infections (small intestine diarrhea)
- Salmonella
- Clostridia
- Campylobacter
- Viral infections
- Canine distemper
- Canine parvovirus
- Canine coronavirus
- Fungal infections
- Intestinal parasites
- whipworms (large intestine diarrhea)
- Protozoal agents
- Canine giardia
- Some drugs
- Toxins
- Inflammatory bowel disease (colitis or enteritis - large intestine diarrhea)
- Food allergies
- Food intolerance
- Cancer in the gastrointestinal tract
- A blockage in the gastrointestinal tract
- Kidney disease
- Liver disease
- Small intestine bacterial overgrowth
- Inability to properly absorb food
- Protein losing enteropathy
- Inability to properly digest food in the intestine
- Short bowel syndrome
- Spastic colon (irritable bowel syndrome)
- Swallowed objects such as sticks and bones
- Stress (in excitable dogs)
What you may see with Dog Diarrhea:
- Stool will be a different color
- Blood in stool
- Mucus in stool
- Loose, watery stools
- May be explosive diarrhea
- Straining to defecate because they feel the urge to go even after going
- Large volume of stools
- Decrease in appetite
- Weight loss
- Lethargy
- Poor hair coat (due to the loss of nutrients)
- May be vomiting
- May have increased water consumption
Dog bowel movement symptoms associated with small intestine diarrhea include:
- dog bowel movement quantity is larger than normal
- 3x to 5x dog bowel movements a day
- Dog does not strain
- No difficulty passing stool
- Dog Diarrhea Symptoms seen in some cases
- Dog vomiting
- Weight loss
- Diarrhea contains mucus, is slimy
What the vet will do to diagnose diarrhea:
Dog diarrhea diagnosis will be initially based on a veterinarian's review of your dogs diet and environment.
- A complete physical
- A complete history
- Flotation test (searching for bacteria, intestinal parasites, protozoal parasites)
- Smear and cytology test (searching for bacteria, intestinal parasites, protozoal parasites)
- Zinc sulfate test (searching for bacteria, intestinal parasites, protozoal parasites)
- Complete blood count
- Biochemical profile
- Evaluate level of hydration
- Urinalysis to assess kidneys
- X-ray the abdomen
- Chest x-ray to rule out cancer
- Bacterial fecal culture
- Tests to assess for digestion/absorption problems
- Check for fungal diseases
- Possible abdominal ultrasonography
- Possible upper GI series to rule in or out the involvement of foreign bodies, obstructions, tumors, organ displacement etc.
- If colon disease suspected, barium enema
- Endoscopy and stomach biopsy, small intestine or colon
- Test for liver disease
- Test for lead levels
- Exploratory surgery if tests inconclusive or suspected disease may need surgical intervention.
Treatment for dog diarrhea may include:
In general, a veterinarian will do the following to treat canine diarrhea:
- Administering a worm medication for whipworms, as they don’t show on fecal tests
- Antibiotics for clostridial bacteria
- Diet change to high fiber for large bowel diarrhea. Diet choices include Hill's z/d.
- Diet change to hypoallergenic for small bowel diarrhea such as Purina h/a.
- Possible IV fluids in hospital
- Possible supplemental nutrition, vitamins and meds to protect the intestine
Home Treatment for Acute or Sudden Dog Diarrhea
If the diarrhea is sudden (acute), then food will be withheld from the dog for 1 to 2 days. The dog can still have water. Bland food such as chicken and rice are provided 3x to 6x times per day for several days, gradually increasing the amount of dog food given. As the dog recovers, a dog should be slowly reintroduced to the normal diet by reducing the percentage of the bland diet and replacing it with the regular diet.
A homeopathic remedy such as Runipoo Relief can also help to speed recovery by helping the body form firm stools and restore the health of the gastrointestinal system.
Dog Constipation:
Constipation is a dog bowel movement condition that means it’s difficult for your dog to pass a stool. S/he may pass stools infrequently; have incomplete bowel movements or a hard time passing dry and/or hard feces. The term constipation is sometimes used interchangeably with “obstipation,” which means the dog can’t pass stools at all; a horribly painful condition that causes the dog a lot of stress.
General Causes of Dog Bowel Movement Constipation:
- Your dog’s diet is the first thing to check
- High stress or upsetting environment with many changes
- Some medications or drugs may cause constipation
- If it hurts to go to the bathroom, they dog may not want to try, thus causing constipation
- A blockage of some kind in the intestine
- A neurological disease
- A metabolic disease
- An endocrine issue
What you may see with Constipation:
- Depression
- Loss of appetite
- Depression
- Restlessness
- Pacing
- Whining
- Infrequent vomiting
- Infrequent bowel movements
- Hard and dry stools
- Straining to produce stool
- Passing only a small amount of stool
- Passing no stool
- Passing a small quantity of runny stool after prolonged straining
What the vet will do to diagnose constipation:
- A complete physical
- A complete history
- Abdominal ultrasound
- Abdominal x-rays
- Complete blood count
- Urinalysis
- Biochemical profile
- If a cause has been identified, remove the cause i.e. obstruction
- Check list of medications dog is taking. Discontinue those that may cause constipation.
- Change diet to high bulk and include pumpkin, bran or methylcellulose
- Increase exercise level
- Full diagnostic work up if these changes don’t help
- For severe impaction, possible surgical removal of stool and/or enemas
- For dehydration, possible hospitalization, IV fluids
- Laxatives
- Lubricants
- Warm soap and water enemas. OTC enemas may be toxic.
- Teach owner how to palpate dog’s colon abdominally to prevent constipation from becoming obstipation.
- Natural remedy formulated for restoring dog bowel movement function such as Natural Moves. This product contains Psyllium Husk, which is a source of dietary fiber used to restore normal dog bowel function.
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References for Dog Bowel Movement Problems:
Dog Owners Home Veterinary Handbook
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