What causes diarrhea in dogs

Aug 02,2024
12Min

Under normal circumstances, dogs' poop should be moderately soft and in the shape of yellow strips. Therefore, if you find that your dog's poop is not shaped, becomes soft and porridge-like, and turns into watery or bloody stool, then It means the dog has diarrhea.

There are many causes of loose stools in dogs. Owners should not use human medicines indiscriminately. They must first check the cause of the dog's loose stools and then prescribe medication to treat the problem.

Causes of diarrhea in dogs

Pathological diarrhea:

Enteritis type parvovirus:

Parvovirus is commonly known as "intestinal inversion". It is a parvovirus that parasitizes in the mucosal layer of the gastrointestinal tract of dogs. It divides and reproduces, causing damage to the gastrointestinal mucosa, causing enteritis with bleeding and infection of the small intestinal mucosa.

In the early stage, there is frequent vomiting, and the feces is gray, yellow or milky white, with jelly-like mucus; in the later stage, there is severe vomiting and diarrhea, and the feces is fishy soy sauce-like or tomato juice-like bloody stool. The mortality rate is more than 50% in about one week of the disease.

Initial stage: listlessness; poor appetite; mild vomiting, fever; soft stool, gray, yellow or milky white, jelly-like mucus

Frequent vomiting; severe diarrhea, foul-smelling soy sauce-like or tomato juice-like bloody stool;

Canine Distemper:

Canine distemper is a highly contagious and fatal infectious disease caused by the canine distemper virus. The dog's illness leads to a decrease in systemic immune function and repeated respiratory and digestive tract symptoms. The body temperature becomes fever-like. In the later stage, the virus invades the central nervous system and causes neurological symptoms. feature.

Canine distemper is a highly contagious and fatal infectious disease caused by canine distemper virus

After the dog is sick, the body temperature rises, loss of appetite, diarrhea, and muscle twitching or paralysis occur in the middle and late stages.

Coronavirus:

Canine coronavirus infection is an acute gastrointestinal infectious disease. Young dogs are most susceptible to infection, with a fatality rate of 50%. The virus is transmitted to healthy dogs through direct and indirect contact through the respiratory tract and digestive tract.

After dogs become sick, they will have symptoms such as diarrhea, vomiting blood, and blood in the stool when vomiting is severe. This disease sometimes occurs alone, and is often mixed with canine parvovirus to increase mortality.

Canine coronavirus infection is an acute gastrointestinal infectious disease. Puppies are most susceptible to infection, with an incidence rate of almost 100%

The virus is transmitted to healthy dogs through direct and indirect contact through the respiratory tract and digestive tract.

Intestinal parasitic diseases:

Intestinal parasitic diseases are one of the diseases that are extremely common in daily dog ​​raising. Dogs are very susceptible to indirect contact with insect eggs exposed in the environment, including common nematodes, tapeworms, coccidia, Toxoplasma gondii, trichomonas, etc. These parasites live in the gastrointestinal tract of dogs, causing dogs to have loose and bloody stools or jelly-like bloody stools.

Loss of appetite, malnutrition, weight loss;

Pale gums, bulging abdomen, vomiting or diarrhea, blood in the stool or mucus-like diarrhea, and sometimes intermittent abdominal pain;

Enteritis:

Enteritis is a common digestive tract disease in dogs. Damage to the intestinal mucosa and inflammation of the deep tissue caused by dogs eating unclean, cold or putrid food that is difficult to digest, as well as irritating drugs, poisons, etc., or foreign bodies, is called enteritis. Vomiting, diarrhea, or mucus in the stool.

Often lie on your stomach on the cold ground or do "praying posture" with your elbows and sternum supported on the ground;

Depression, decreased appetite, indigestion;

Canine infectious hepatitis:

Canine infectious hepatitis is an acute septicemic infectious disease in canines. It mainly occurs in puppies under 1 year old. The disease is mainly caused by digestive tract infection, and placental infection is also possible. Respiratory cases may be infected through the respiratory tract. The main symptoms of gastrointestinal tract are vomiting, porridge-like watery stool or bloody diarrhea.

Cold-like symptoms: The sick dog initially looks like an acute cold, with elevated body temperature, depression, and loss of appetite.

Gastrointestinal symptoms: vomiting, jam-like stool or bloody diarrhea.

Canine Salmonellosis:

Canine salmonellosis, also known as canine paratyphoid, is a zoonotic infectious disease. It is characterized by enteritis and sepsis, vomiting, abdominal pain and severe diarrhea, and the discharge of foul-smelling bloody stool with mucous membranes.

Depression, loss of appetite, body temperature rising to 40-41 degrees Celsius;

Vomiting, abdominal pain and severe diarrhea, discharge of bloody and loose stools with mucous membranes, a foul smell, and severe dehydration

Pancreatitis:

Acute:

Acute pancreatitis is an inflammatory reaction in which pancreatic enzymes are activated in the pancreas due to various causes, causing autodigestion, edema, hemorrhage and even necrosis of pancreatic tissue. Diarrhea (bloody) occurs.

Sudden onset of fever (around 40 degrees Celsius);

Severe and persistent vomiting, initially undigested food and mucus;

Chronic:

Chronic pancreatitis refers to recurrent or persistent inflammatory changes in the pancreas, clinically characterized by recurrent abdominal pain, fatty stools and diabetes. There is no age or breed difference in this disease. There is a large amount of feces, which contains a lot of fat and protein, has a foul smell, and is gray-white or yellow.

Lack of energy, repeated abdominal pain, severe pain accompanied by vomiting;

Abnormally high appetite, but stagnant growth and development, weight loss, and dull fur;

Diarrhea caused by improper maintenance:

Irregular eating habits:

Like people, dogs’ long-term irregular eating habits may cause gastrointestinal discomfort and suffer from various digestive tract diseases. Frequent eating and drinking will reduce the dog's digestive function, cause diarrhea and other symptoms, and cause gastrointestinal diseases.

In a state of hunger, gastric acid and other digestive juices secreted cannot be neutralized by food and can erode the gastric mucosa.

Because the fasting time is too long, it cannot provide the body with enough energy and nutrients

Heatstroke:

Dogs expel most of the heat from their mouths through rapid breathing, and a small amount of heat is expelled from the sweat glands on their foot pads. Therefore, it is important to keep the dog cool. Being in a high temperature environment for a long time can easily cause the dog's body temperature regulation dysfunction, which is what we do. Commonly known as heat stroke. Later, bloody diarrhea or vomiting may occur.

Extreme thirst, excessive or loud panting, elevated body temperature;

Drooling, vomiting, bright red tongue and pale gums, thick saliva, rapid heart rate;

Foreign body in stomach:

Foreign bodies in the stomach refer to foreign bodies swallowed by dogs and cats that remain in the stomach for a long time. They cannot be digested by gastric juice and are difficult to vomit or be excreted with feces. The foreign bodies cause long-term mechanical irritation to the gastric mucosa, causing gastritis and gastric digestive dysfunction. disease. May also be called gastric obstruction. Sharp foreign bodies can cause damage to the gastric mucosa, causing vomiting of blood and bloody stools, and may easily lead to gastric perforation.

Loss of appetite and vomiting after eating;

Depressed spirit, restless in pain, moaning, often changing the place and position of lying down.

Intestinal foreign bodies

Dogs accidentally eat some objects that cannot be excreted, such as peach pits, mango pits, stones and other foreign objects, which can cause vomiting, loose stools, blood in the stool, anorexia, depression, etc.

Retching, coughing, constipation or loose stools, mental inactivityVibration, decreased appetite, abdominal pain, and refusal to touch.

Foreign bodies in the intestines are also called acute intestinal obstruction. Dogs have swallowed foreign bodies and cannot excrete them in the intestines, so they can only be removed through surgery.

Note:

If a dog develops vomiting, anorexia, depression, etc. and is accompanied by an increase in body temperature after having diarrhea, it is necessary to take your pet to the doctor promptly to find the cause and give active treatment.

Before taking the temperature, set the thermometer temperature below 35 degrees Celsius;

Fix the dog, select the skin on the inner thigh of the dog, and clamp the mercury head of the thermometer close to the inner thigh;

One person should fix the dog's head, and before taking the temperature, the temperature of the thermometer (rectal thermometer) should be lowered to below 35 degrees Celsius

Fully moisten the head of the thermometer with lubricant, lift the dog's tail upward, insert the thermometer about 1/3, and wait for about 1 minute

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