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What is Bile Duct Obstruction?

Bile duct obstruction, or cholestasis, occurs when bile isn't able to properly flow from the gallbladder into the small intestine. When the bile is prevented from leaving the bile duct, a cat may become very ill as it can't get the proper nutrition it needs. Excess red blood cell breakdown products affect the lungs, brain, kidneys and heart.

Bile is a fluid that aids the cat's body in the digestion of food. It is made in the liver and is stored in the gallbladder. After eating, bile travels through the bile duct into the intestines, where it helps break down the food in order for the cat to get the needed nutrients and deposit the excess as waste.

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Bile Duct Obstruction Average Cost

From 408 quotes ranging from $800 - $3,500

Average Cost

$1,200

Symptoms of Bile Duct Obstruction in Cats

Symptoms of the condition may vary, depending on the condition or disease that is causing the obstruction to occur. 

  • Fatigue that progresses into lethargy
  • Vomiting
  • Diarrhea
  • Lack of appetite
  • Excessive hunger
  • Jaundice, which is presented with yellow eyes, yellow mucous membranes and/or yellow skin
  • Weight loss
  • Dark yellow or orange-colored urine
  • Pale-colored stool
  • Bleeding disorders
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Causes of Bile Duct Obstruction in Cats

Bile duct obstruction isn't a disease in itself, but rather a secondary condition that arises from another disease or condition. 

  • Gallstones that grow large enough and block the bile from leaving the gallbladder
  • Pancreatitis or inflammation of the pancreas
  • Liver inflammation that prevents bile from entering the gallbladder
  • Bile tract disease that causes sludged bile or fibrosis that doesn't flow properly
  • Cysts in the liver and bile duct
  • Parasitic infestation
  • Abdominal surgery
  • Bile duct tumors
  • Trauma
  • Benign or malignant growths
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Diagnosis of Bile Duct Obstruction in Cats

The veterinarian will ask for the cat's complete health history, details about when the symptoms began and any possible trauma or recent surgeries that could have caused the obstruction to occur. Next, a complete blood count, a urinalysis and a biochemistry panel will be taken. These tests will help the vet to determine what underlying diseases may be causing the obstruction and any other problems, such as anemia, that resulted due to the blockage. If the labs show that the cat's bilirubin levels are high, this indicates that waste products are building up in the bloodstream. A stool analysis will help the vet determine if normal amounts of bilirubin are leaving the body. Too much bilirubin in the body is indicative of an obstruction of the bile duct. The cat's liver enzymes will show if liver damage or disease is present that are causing the obstruction. A urinalysis will help the vet determine how the kidneys are reacting to the obstruction.

The veterinarian may also perform an abdominal ultrasound or x-ray to look at the pancreas, gallbladder, and liver. These tests will allow the veterinarian to see any inflammation, growths or scar tissue that is causing the obstruction. Exploratory surgery may be done if the labs, ultrasounds, and x-rays don't give conclusive results as to what is causing the obstruction.

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Treatment of Bile Duct Obstruction in Cats

Treatment of bile duct obstruction depends on the underlying disease or condition that caused the blockage to occur. 

  • Medications: Medications may be given to the cat to dissolve the gallstones, decrease the inflammation in the pancreas or liver or improve the consistency of the sludged bile in bile tract disease, allowing the bile to flow freely to the small intestine. Antibiotics may be given prior to surgery to prevent infections from occurring.
  • Surgery: Surgery may be done to remove large gallstones, scar tissue, cysts, abnormal growths or tumors. Surgery may also be done to take a biopsy of any liver or pancreatic tumors to determine if they are benign or malignant. 
  • Fluid Therapy: Cats with bile duct obstruction often present dehydrated and malnourished. Fluids will be administered to the cat in order to replace the fluids lost due to vomiting or diarrhea.
  • Blood Transfusions: If the cat has a bleeding disorder as a result of liver disease, a blood transfusion may need to occur if levels are too low.
  • Dietary Restrictions: The vet may place the cat on a special diet or restrict high-fat foods in order to help the gallbladder and liver function at their best.
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Recovery of Bile Duct Obstruction in Cats

Bile duct obstruction needs to be treated promptly as it can result in severe damage to the liver and gallbladder. The cat will need to follow-up as directed by the veterinarian after initial treatment in order to monitor their underlying condition. If dietary restrictions were recommended, the cat will need to follow these in order to prevent the duct from becoming blocked once again. Cats who experience bile duct obstruction have a good prognosis as long as the underlying conditions are treated promptly and are managed under a veterinarian's care.

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Bile Duct Obstruction Average Cost

From 408 quotes ranging from $800 - $3,500

Average Cost

$1,200

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Bile Duct Obstruction Questions and Advice from Veterinary Professionals

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October

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possible maine coon?

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3 Weeks

pill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filled

Fair severity

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4 found helpful

pill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filled

Fair severity

Has Symptoms

Orange Stool

about 4 days ago, i rescued a three week old kitten. today is the first day she has pooped. it was hard, about two inches long, and orange. and she definitely didn’t like it. i read that that could mean she has too much bile in her system. how do i treat this? i’ve been giving her the recommended about of formula every day. i think the reason she finally pooped was because today i put a little bit of fish oil & kitten formula wet food in the mix with her regular formula and then tried a different technique to get her to poop and it worked! she eats about ever 4-5 hours and seems to be growing at a decent rate. she’s about 3 and a half weeks old and weighs about an ounce over a pound!

May 6, 2018

October's Owner

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recommendation-ribbon

4 Recommendations

Orange faeces may be an indicator of bile disorders, liver disease or slow intestinal transit; if the faces took a long time to pass through the kitten it may have received more bile than usual leading to orange faeces. You should be using a kitten milk replacer for the time being and I would recommend getting a wormer (age appropriate) to cover parasites; however a wormer will not treat any possible protozoan infections. If October continues to defecate orange faeces visit a Veterinarian. Regards Dr Callum Turner DVM

May 6, 2018

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dog-name-icon

Cosette

dog-breed-icon

DMH

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13 Years

pill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filled

Fair severity

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1 found helpful

pill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filled

Fair severity

Has Symptoms

Irregular Meowing

What percent crude protein & crude fat food should I get for my cat that has cholestasis but no sign of inappetance or dehydration? She’s had complete blood work done and an ultrasound. The only reason I got her blood work done was because she was meowing oddly.

March 7, 2018

Cosette's Owner

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recommendation-ribbon

1 Recommendations

I do not have any specific figures on how much crude fat or protein should be in a diet for a cat with cholestasis, however a low fat high quality protein diet is advisable; your Veterinarian will be able to offer you a suitable diet for Cosette. Regards Dr Callum Turner DVM

March 7, 2018

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Bile Duct Obstruction Average Cost

From 408 quotes ranging from $800 - $3,500

Average Cost

$1,200

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