Medically reviewed on November 14, 2017.
What is Urso?
Urso is a bile acid that decreases the amount of cholesterol produced by the liver and absorbed by the intestines. This medicine helps break down cholesterol that has formed into stones in the gallbladder. This medicine also increases bile flow in patients with primary biliary cirrhosis.
Urso is used to treat primary biliary cirrhosis.
Urso capsules are used to treat small gallstones in people who cannot have gallbladder surgery, and to prevent gallstones in overweight patients undergoing rapid weight loss. This medicine capsules are not for treating gallstones that are calcified
Urso may also be used for purposes not listed in this medication guide.
You should not use Urso if you have an obstruction in your liver or gallbladder.
Before taking this medicine
You should not use Urso if you are allergic to it, or if you have an obstruction in your liver or gallbladder.
To make sure Urso is safe for you, tell your doctor if:
you have been coughing up blood; or
you have gained weight rapidly, especially in your face and midsection.
FDA pregnancy category B. Urso is not expected to harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.
It is not known whether Urso passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.
How should I take Urso?
Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Take the Urso tablet with food.
You may need to break a tablet in half to get your correct dose. Each tablet is scored in the middle and should break apart easily.
Swallow the tablet piece whole with a glass of water. A broken tablet can have a bitter taste.
Use Urso regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.
To treat gallstones, you may have to take Urso for several months before your gallstones dissolve. Keep using the medication as directed and tell your doctor if your symptoms do not improve.
Not all gallstones completely dissolve with Urso treatment, and you may develop new gallstones within 5 years after treatment. Talk to your doctor about your specific risks.
While using Urso, you may need gallbladder ultrasound exams, or frequent blood tests to check your liver function. Your doctor may also want to check your liver function every 6 months after you stop using this medicine.
Store at room temperature away from moisture and heat. Tablets that are broken in half can be kept at room temperature for up to 28 days.
If you split your tablets, keep them separate from any whole tablets.
What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking Urso?
Ask your doctor before using an antacid, and use only the type your doctor recommends. Some antacids can make it harder for your body to absorb Urso.
Urso side effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
Common side effects may include:
mild stomach pain or discomfort;
cold symptoms such as stuffy nose, sneezing, sore throat;
hair loss; or
mild itching or rash.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
What other drugs will affect Urso?
Other drugs may interact with ursodiol, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Copyright 1996-2018 Cerner Multum, Inc. Version: 4.01.
More about Urso (ursodiol)
- Urso Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
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- Generic Availability
- Drug class: gallstone solubilizing agents
Other brands: Actigall