Common Use

Ursodeoxycholic acid (UDCA) — also known by its brand name Urso and available as an Urso generic — is a naturally occurring bile acid used to treat a range of hepatobiliary conditions. This versatile liver protection medication works through several complementary mechanisms: it decreases the amount of cholesterol produced by the liver and absorbed by the intestines, helps dissolve cholesterol that has formed into gallstones, and increases bile flow in patients with chronic liver disease. Ursodeoxycholic acid is primarily prescribed for the treatment of small, non-calcified cholesterol gallstones in patients who cannot undergo gallbladder surgery or prefer a non-surgical approach to gallstone treatment. It is also used to prevent gallstones from forming in patients on rapid weight-loss diets (who are at significantly elevated risk), and as a first-line treatment for primary biliary cholangitis (formerly called primary biliary cirrhosis) — a chronic autoimmune liver disease that progressively destroys the bile ducts within the liver. UDCA works by replacing toxic bile acids with its own cytoprotective bile acid, reducing inflammation, protecting liver cells (hepatocytes) from damage, and improving bile flow (choleresis). It is important to note that ursodeoxycholic acid is not effective for treating calcified gallstones, radiopaque stones, or radiolucent bile pigment stones — it works specifically on cholesterol gallstones. If you need to buy Ursodeoxycholic acid online or buy UDCA, our pharmacy offers genuine Urso generic at competitive prices for reliable gallstone treatment and liver disease management.



Dosage and Direction

Take ursodeoxycholic acid exactly as directed by your doctor — the dosage is individually determined based on your specific medical condition, body weight, and response to therapy. For gallstone dissolution, the typical dose is 8-10 mg/kg/day divided into two or three doses, taken with meals. For primary biliary cholangitis, the standard dose is 13-15 mg/kg/day divided into two to four doses, also taken with food to enhance absorption. Treatment duration varies significantly: gallstone dissolution may require 6 months to 2 years of continuous therapy, while primary biliary cholangitis treatment is typically lifelong. Your condition will not improve faster by taking higher doses, and exceeding the recommended amount may increase the risk of serious side effects, particularly diarrhea. Take ursodeoxycholic acid regularly at the same times each day to maintain consistent bile acid levels and get the maximum therapeutic benefit. Swallow tablets or capsules whole with a glass of water — do not crush or chew them. Your doctor will monitor your progress through periodic ultrasound examinations (for gallstones) and liver function tests (for primary biliary cholangitis) to assess treatment effectiveness.



Precautions

Before beginning treatment with ursodeoxycholic acid, provide your doctor with a complete medical history and a list of all prescription, over-the-counter, and herbal medications you are taking. Do not take UDCA if you have a known allergy or hypersensitivity to ursodiol or other bile acids. Patients with biliary tract problems (affecting the liver, gallbladder, or bile ducts), certain liver diseases, or pancreatic conditions may not be suitable candidates for this therapy — your doctor will evaluate whether ursodeoxycholic acid is appropriate for your specific situation. This medication may occasionally cause dizziness, so exercise caution when driving, using machinery, or performing activities requiring full alertness until you know how it affects you. Limit alcohol consumption, as alcohol can worsen liver disease and counteract the liver protection benefits of UDCA. During pregnancy, ursodeoxycholic acid should be used only when the potential benefit clearly justifies the potential risk to the fetus — discuss this thoroughly with your doctor. It is not established whether UDCA passes into breast milk; consult your physician before breastfeeding while on this medication. Regular follow-up appointments and laboratory monitoring (including liver function tests and, for gallstone patients, periodic imaging) are essential to track treatment progress and detect any complications early.



Contraindications

Ursodeoxycholic acid has specific contraindications that must be observed. It will not dissolve calcified cholesterol stones, radiopaque stones, or radiolucent bile pigment stones — patients with these types of gallstones are not candidates for UDCA therapy and typically require surgical intervention. Patients with compelling medical reasons for cholecystectomy (gallbladder removal) — including unremitting acute cholecystitis, cholangitis, biliary obstruction, gallstone pancreatitis, or biliary-gastrointestinal fistula — should not be treated with ursodeoxycholic acid, as surgery is the appropriate intervention in these situations. Known allergy to ursodeoxycholic acid, ursodiol, or other bile acids is a strict contraindication. Patients with complete biliary obstruction, where bile flow is entirely blocked, cannot benefit from this medication. Severe liver dysfunction with evidence of liver failure is also a relative contraindication requiring careful physician judgment.



Possible Side Effects

Ursodeoxycholic acid is generally well tolerated, and many patients experience few or no side effects during treatment. Commonly reported adverse effects include stomach upset, nausea, diarrhea (usually dose-related and often improves with continued use), dizziness, back pain, hair loss (alopecia), and cough. Remember that your doctor has prescribed this bile acid therapy because the benefit to your health is judged to be greater than the risk of side effects. More uncommon but serious side effects that require prompt medical attention include: unusual weakness or fatigue, swelling of the ankles or feet (peripheral edema), increased thirst or frequent urination, signs of infection (persistent fever, sore throat), and worsening of liver function tests. Rarely, a severe allergic reaction may occur — seek immediate emergency medical attention if you notice rash, itching, swelling (especially of the face, tongue, or throat), severe dizziness, or difficulty breathing. This is not a comprehensive list of all possible side effects. If you notice any unusual symptoms or effects not listed here, contact your doctor or pharmacist for guidance.



Drug Interactions

Ursodeoxycholic acid can interact with several classes of medications, potentially altering the effectiveness of either drug. Aluminum-based antacid medications (such as aluminum hydroxide) can bind to UDCA in the gastrointestinal tract, reducing its absorption and effectiveness — if antacids are needed, take them at least 2 hours before or after your UDCA dose. Cholesterol-lowering medications — particularly bile acid sequestrants such as cholestyramine and colestipol — can significantly reduce the absorption of ursodeoxycholic acid and should be taken at least 4-5 hours apart. Clofibrate and other fibrate medications increase hepatic cholesterol secretion and may counteract the cholesterol-dissolving effects of UDCA, potentially reducing its efficacy for gallstone treatment. Estrogen-containing medications, including oral contraceptives and hormone replacement therapy, promote cholesterol gallstone formation and may work against the therapeutic goals of UDCA therapy. Do not start, stop, or change the dosage of any medication without first consulting your doctor or pharmacist. Always provide a complete list of all prescription, non-prescription, and herbal products you are using to ensure safe and effective liver protection therapy.



Missed Dose

If you miss a dose of ursodeoxycholic acid, take it as soon as you remember, or take it at the same time as your next scheduled dose. Do not take a double dose to make up for the missed one. Consistent daily dosing is important for maintaining therapeutic bile acid levels and achieving optimal results in gallstone treatment or primary biliary cholangitis management. If you frequently miss doses, consider setting daily reminders or using a pill organizer to help maintain adherence to your treatment schedule.



Overdose

Do not increase your dose or take ursodeoxycholic acid more frequently than prescribed without your doctor's explicit approval. If an overdose is suspected, the most likely symptom is diarrhea, though higher doses could potentially affect liver function. Contact your local poison control center or emergency room immediately if you believe you have taken too much of this medication. Treatment is generally supportive and symptomatic. Keep UDCA in a secure location to prevent accidental overdose by children or others in the household.



Storage

Store ursodeoxycholic acid at room temperature between 20°C and 25°C (68°F to 77°F) in a tightly closed container, away from direct sunlight, excessive heat, and moisture. Keep the medication in its original packaging and out of reach of children and pets. Do not use UDCA past its printed expiration date — return expired or unused medication to your pharmacy for safe and environmentally responsible disposal.



Disclaimer

We provide only general information about medications which does not cover all directions, possible drug integrations, or precautions. Information at the site cannot be used for self-treatment and self-diagnosis. Any specific instructions for a particular patient should be agreed with your health care adviser or doctor in charge of the case. We disclaim reliability of this information and mistakes it could contain. We are not responsible for any direct, indirect, special or other indirect damage as a result of any use of the information on this site and also for consequences of self-treatment.