Ursochol

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Ursochol

Property Description
Active Ingredient Ursodeoxycholic Acid (UDCA)
Form Oral Capsule / Tablet
Pharmacological Class Bile Acid / Choleretic
Common Use Dissolving cholesterol gallstones; treating Primary Biliary Cholangitis (PBC)
Origin Semi-synthetic (derived from natural bile acid)

What is Ursochol and What is its Main Purpose?

Ursochol is a specialized prescription medication intended for the management of certain chronic liver and gallbladder conditions. Its active pharmaceutical ingredient (API) is Ursodeoxycholic Acid (UDCA), a compound that occurs naturally in human bile. It is not an antibiotic or a general digestive aid, but a specialized bile modifier.

Ursochol is classified as a Bile Acid and Choleretic agent. Its primary purpose centers on the dissolution of specific, non-calcified cholesterol gallstones and the treatment of progressive liver diseases like Primary Biliary Cholangitis (PBC). The compound is recognized for its ability to modify bile composition and its application in managing cholestatic conditions. This profile supports its role in targeted hepatobiliary therapy.

How is Ursochol Classified and What is its Composition?

Ursochol is placed in a distinct pharmacological class due to its unique chemical structure and targeted action on the biliary system. It is administered via the oral route, typically supplied as a solid capsule or tablet formulation.

The product contains UDCA as its essential component. While UDCA is naturally found in bile, the medicinal ingredient in Ursochol is manufactured through a semi-synthetic process, ensuring the high purity required for pharmaceutical efficacy. UDCA works by decreasing the amount of cholesterol produced by the liver, which aids in the dissolution of cholesterol gallstones. This makes Ursochol a targeted therapeutic option for suitable patients.

Regulatory References

  1. U.S. National Library of Medicine (NIH)

What side effects are possible with Ursochol?

Ursochol: Possible Side Effects and Safety Information

Adverse Reaction Profile

Side effects associated with Ursochol (ursodiol) are primarily related to the gastrointestinal system and are often dose-dependent. The most frequent adverse reactions reported in regulatory documents include:

  • Very Common (ge 10%): Abdominal pain, diarrhea, constipation, headache, and dizziness.
  • Common (ge 1% to <10%): Nausea, vomiting, dyspepsia, rash, alopecia (hair loss), back pain, and elevated blood glucose.

Less common and rare events involve the hepatobiliary and immune systems.

Serious and Clinically Significant Safety Information

Serious or clinically significant reactions, while rare, have been documented, particularly in patients with pre-existing conditions:

  • Hepatic Decompensation: A worsening of liver function, requiring discontinuation, has been reported in patients with advanced liver cirrhosis (Child-Pugh Class B and C).
  • Calcification of Gallstones: In the context of gallstone dissolution, the underlying gallstones may calcify, which requires alternative treatment.
  • Hypersensitivity: Rare, severe allergic reactions, including angioedema (swelling of the face or throat) and urticaria, have occurred.
  • Enteroliths: Formation of intestinal stones (bezoars) resulting in obstructive symptoms has been reported in patients with risk factors like Crohn's disease or prior bowel surgery.

Restrictions and Safety Monitoring

Contraindications for Ursochol include complete biliary obstruction and known hypersensitivity to the drug or bile acids. It is not indicated for the dissolution of calcified gallstones or radiopaque stones.

Safety Monitoring: To ensure the proper response and detect potential liver toxicity, regulatory agencies advise that serum liver function tests (AST, ALT, gamma-GT, alkaline phosphatase, and bilirubin) must be monitored monthly for the first three months of therapy, and every six months thereafter. Caution is advised when prescribing the drug for geriatric patients and in patients with chronic liver disease, where closer monitoring is required.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documents for Ursochol (ursodeoxycholic acid) indicate that the most likely manifestation of a severe overdose is diarrhea. Systemic effects are generally considered unlikely because the absorption of the drug decreases significantly at very high doses, resulting in increased excretion through the feces. Regulatory files contain no official reports of accidental or intentional overdosage.

In the event of a suspected overdose, it is officially mandated to seek immediate medical attention and contact the regional Poison Control Center or a similar national health authority for guidance. Management described in regulatory labeling is symptomatic and supportive. The primary procedural step is the restoration of fluid and electrolyte balance to counteract losses resulting from severe diarrhea. Certain labels note that ion-exchange resins may be used to bind the bile acids in the intestine if necessary. Following the initial emergency response, continuous monitoring of liver function is required. It is also noted that while not a typical overdose scenario, high, off-label doses administered to patients with Primary Sclerosing Cholangitis (PSC) have been associated with a higher degree of serious undesirable effects.

Therapeutic Uses of Ursochol

Main Uses and Benefits of Ursochol

Ursochol contains ursodeoxycholic acid, a naturally occurring bile acid that is found in small quantities in human bile. It is primarily used to manage conditions affecting the liver and the gallbladder by modifying the composition and flow of bile.

Dissolution of Cholesterol Gallstones

One of the primary applications of Ursochol is the dissolution of cholesterol gallstones. When bile becomes supersaturated with cholesterol, it can crystallize and form stones. Ursochol works by reducing the amount of cholesterol secreted into the bile and gradually dissolving the cholesterol within existing stones.

This application is generally suitable for patients with:

  • Radiolucent (non-calcified) gallstones.
  • Stones that are relatively small in diameter.
  • A gallbladder that still functions correctly despite the presence of stones.

Primary Biliary Cholangitis (PBC)

Ursochol is frequently used in the management of Primary Biliary Cholangitis, a chronic liver disease where the bile ducts in the liver are slowly destroyed. When these ducts are damaged, bile can build up in the liver, leading to tissue damage and scarring.

In the context of PBC, the benefits include:

  • Bile Acid Replacement: It replaces more toxic, detergent-like bile acids with ursodeoxycholic acid, which is less harmful to liver cells.
  • Liver Protection: It helps protect liver cells from the inflammatory damage caused by bile accumulation.
  • Improved Liver Function: Regular use can lead to improvements in liver enzyme levels and may slow the progression of the disease.

Other Hepatobiliary Conditions

Ursochol may also be used to manage various other conditions where bile flow is impaired or where the liver is under stress from bile acid accumulation. This includes the management of hepatobiliary disorders associated with cystic fibrosis in pediatric and adult populations, helping to improve bile secretion and stabilize liver health.

Eligibility and Restrictions for Use

Who Can and Cannot Use Ursochol?

Eligibility for Ursochol (ursodeoxycholic acid) is determined by regulatory bodies based on the patient's condition, age, and existing comorbidities. This section summarizes the official population rules found in regulatory labeling.

Absolute Contraindications (Must Not Use)

Condition / Population Restriction
Biliary System Issues Patients with acute inflammation of the gallbladder/bile ducts, biliary tract occlusion, or a non-functioning gallbladder.
Gallstone Type Patients with calcified, radiopaque, or pigment gallstones, as the medicine is ineffective for these types.
Hypersensitivity Patients with a known allergy to UDCA or other bile acids.

Restricted and Conditional Use

Population / Status Condition
Pregnancy/Lactation Use is generally not recommended in pregnancy unless necessary; women must use effective non-hormonal contraception.
Pediatric Use Contraindicated in children with failed surgical bile flow bypass (e.g., failed Kasai procedure). Use for gallstone dissolution is not established.
Comorbidities Not recommended for patients with severe non-cholestatic liver impairment or active inflammatory bowel diseases (e.g., peptic ulcer).

Ursochol is generally approved for adults with Primary Biliary Cholangitis (PBC) and specific non-calcified cholesterol gallstones.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Ursochol, which contains ursodeoxycholic acid (UDCA), has documented interaction patterns based on its role in the bile acid cycle. The regulatory information structures these interactions into three main categories: those that reduce Ursochol’s effectiveness, those that alter the exposure of co-administered drugs, and those requiring separation in administration time.

Interactions Reducing Ursochol's Effect (Antagonism and Binding)

Certain agents are restricted as they either directly bind to UDCA or counteract its function. Bile acid sequestrants (e.g., cholestyramine, colestipol) and aluminium-containing antacids bind UDCA in the intestine, which significantly reduces its absorption and subsequent efficacy.

Separately, oestrogenic hormones (e.g., in certain oral contraceptives) and specific blood cholesterol-lowering agents (e.g., fibrates) are noted for their pharmacodynamic antagonistic effect. These substances may increase the saturation of cholesterol in the bile, which formally restricts their use when Ursochol is prescribed for gallstone dissolution.

Interactions Altering Co-administered Drug Exposure

Ursochol has been documented to affect the systemic plasma concentrations of certain medicines. Co-administration can increase the plasma exposure (AUC and Cmax) of the immunosuppressant Ciclosporin, necessitating caution. Conversely, UDCA may lead to decreased plasma exposure of the drug Dapsone.

Timing-Based Administration Rules

To manage the absorption-reducing effects, official labeling requires that bile acid sequestrants and aluminium-containing antacids must be administered at least two hours apart from Ursochol.

Mechanism of Action

Ursochol (ursodeoxycholic acid) is an exogenous hydrophilic bile acid that modifies the endogenous bile acid pool. Following absorption, it undergoes hepatic conjugation and becomes a major component of the circulating bile acid pool, competitively displacing more hydrophobic and potentially toxic bile acids, such as deoxycholic acid and chenodeoxycholic acid, from the bile. This displacement alters the overall hydrophobicity index of the bile pool.

At the cellular level, Ursochol demonstrates a cytoprotective effect on hepatocytes and cholangiocytes. It stabilizes the cellular plasma membrane and the mitochondrial membrane, preventing bile acid-induced membrane disruption and subsequent mitochondrial dysfunction. This action inhibits the release of cytochrome C and modulates the BAX/BCL2 ratio, thereby blocking intrinsic anti-apoptotic pathways within the cell. Furthermore, Ursochol increases intracellular calcium levels, which stimulates the activity and translocation of hepatic membrane transport proteins, including the biliary salt export pump (BSEP) and the anion exchanger (AE2), promoting vesicular exocytosis and increasing the overall biliary secretion of bile acids and fluid. This results in system-level physiological modulation involving augmented bile flow (choleretic effect) and a modified, less hydrophobic bile composition.

Dosage and Administration Information

Ursochol (Ursodeoxycholic Acid) is administered via the oral route using available forms, which include capsules, tablets, and an oral suspension. The usage protocol is defined by standardized dosing regimens that are specific to the condition being addressed and are often determined by the patient's body weight.

Official Dosing and Administration

The total daily dose is typically administered in two to four divided doses with food, particularly for the management of Primary Biliary Cholangitis (PBC). In some long-term PBC regimens, the dose may be consolidated and taken once daily in the evening after an initial treatment period.

Indication Standard Adult Dosing Range Key Frequency Pattern
Primary Biliary Cholangitis (PBC) 13-15 mg/kg/day Divided doses or single daily dose
Gallstone Dissolution 8-12 mg/kg/day Divided doses or single nightly dose

Solid forms should be swallowed whole with water; however, certain scored tablets may be broken in half to achieve the calculated dose. To ensure proper absorption, the medication should be taken at least two hours before or two hours after substances known to bind bile acids, such as aluminum-based antacids.

Course Duration and Specific Use Cases

Treatment for PBC is typically continuous and long-term. For gallstone dissolution, the course may last up to two years and must be continued for 3 to 4 months after radiological confirmation of the stones' disappearance. For pediatric patients with cystic fibrosis-associated liver disorder, a weight-based dose starting at 20 mg/kg/day is recommended. If a dose is missed, the standard procedure is to take it as soon as remembered, but strictly not taking a double dose to compensate.

Recent Clinical Evidence

Research evidence / Overview of studies for Ursochol

Evidence for use in Primary Biliary Cholangitis (PBC)

The research on Ursochol for Primary Biliary Cholangitis (PBC) has involved multiple types of studies, including Randomized Controlled Trials (RCTs) and very large, long-term studies that observe patients over many years. Researchers focused on measuring major clinical events, such as the need for liver transplantation, overall survival, and a combined measurement of overall survival and transplantation rates. They also monitored outcomes related to systemic or functional imbalance by tracking key liver function biomarkers like alkaline phosphatase and serum bilirubin in adult patients with the condition.

Studies focusing on long-term follow-up reported a pattern where disease progression was slower in observed cohorts and the rate of clinical events was lower. Research highlights that results across some of the shorter-term, earlier RCTs were sometimes mixed regarding the impact on overall survival rates. Confirming the definitive long-term outcomes across all specific patient subsets is an area where research is ongoing.


Evidence for use in Cholesterol Gallstone Management

Research has also been conducted on Ursochol's role in managing gallstones, primarily through RCTs and prospective clinical studies. These research scenarios explored outcomes related to physical discomfort by monitoring the complete dissolution or significant size reduction of specific, non-calcified gallstones in adults who still had a functioning gallbladder.

Findings indicate that the measured dissolution rate in studies was associated with the size and cholesterol composition of the stones. Furthermore, studies monitored and consistently reported a high rate of gallstone recurrence in patient cohorts who successfully dissolved their stones but subsequently stopped using the compound.


Areas of Research Uncertainty and Study Limitations

For the treatment of PBC, some methodological limitations in earlier trials mean that certainty remains low for some of the hard clinical outcomes across all subgroups. For gallstone dissolution, a key limitation is the high reported rate of recurrence. The general applicability of the evidence is limited, as results apply only to stones that are cholesterol-rich and radiolucent. Data for certain groups, such as pediatric populations or those who are pregnant, remain insufficient or limited.

Key Studies & References

  1. Long-Term Effects of Mid-Dose Ursodeoxycholic Acid in Primary Biliary Cirrhosis (Includes meta-analysis of 7 RCTs and extended follow-up)
  2. Public Assessment Report for paediatric studies submitted in accordance with Article 45 of Regulation (EC) No1901/2006, as amended URSODEOXYCHOLIC ACID (Used for pediatric and pregnancy data limitations)

Frequently Asked Questions (FAQ)

Common questions about Ursochol (FAQ)

Q: Are there any long-term health concerns associated with using Ursochol?

Official product information notes that, in patients with advanced liver cirrhosis, a worsening of liver function (called hepatic decompensation) has been reported, which may require the medication to be stopped. Monitoring of liver function tests is specified in regulatory documents for the entire duration of therapy.

Q: Do certain foods or drinks interact with Ursochol?

Regulatory documents indicate that the total daily dose is typically administered with food. Certain medications, such as aluminum-containing antacids, are known to bind to Ursochol and reduce its effectiveness. For this reason, official labeling indicates that these types of interacting medications should be separated by at least two hours from Ursochol administration.

Q: Can people with kidney problems use Ursochol?

Official regulatory documents do not specify a dose adjustment for people with kidney impairment. However, some adverse reaction summaries published by the NIH list elevated creatinine—a marker of kidney function—as a reported adverse reaction. This is a factor that should be taken into account when assessing eligibility.

Q: Is Ursochol appropriate for use in children?

The medication is approved for a specific condition in children. Official labeling specifies a weight-based dose for pediatric patients with cystic fibrosis-associated liver disorder. The use of the medication for gallstone dissolution in children has not been established in regulatory documents.

Q: Does Ursochol cause changes in weight?

Changes in weight are generally not listed in the common adverse reaction profiles found in official documents. Nonetheless, some post-marketing surveillance summaries have noted reports of 'unusual weight gain or loss.'

Q: Can Ursochol affect sleep patterns?

Adverse reaction reporting indicates that sleep disturbance, including insomnia, has been noted as a reported side effect of the medication.

Q: Why is Ursochol sometimes prescribed for different liver conditions?

Ursochol is officially indicated for two primary uses. The first is the treatment of Primary Biliary Cholangitis (PBC), a chronic liver disease. The second official use is the dissolution of specific, non-calcified cholesterol gallstones.

Q: Are there different brand names for the medication Ursochol?

Yes, the medication contains the active ingredient ursodeoxycholic acid, which is available under several brand names globally. These include URSO, URSO Forte, and Actigall, as well as generic versions often simply called Ursodiol.

Q: Does Ursochol have any known effect on mood or anxiety?

Changes in mood, including anxiety and depression, are not listed as common or very common side effects. However, they have been noted in some adverse reaction monitoring reports.

Q: Is Ursochol safe for elderly patients to use?

Official guidelines describe that caution is a consideration when prescribing this medication for geriatric patients. Furthermore, regulatory documents specify that closer monitoring is required for this population.

Q: Does Ursochol replace the body's natural bile acids?

The medication does not replace natural bile acids, but rather modifies the existing bile pool. It works by displacing more hydrophobic bile acids, making the Ursochol compound a major component of the circulating bile acid pool.

Q: Can I drink alcohol moderately while taking Ursochol?

Official labeling references the need for a consultation regarding alcohol consumption with a healthcare professional. Since Ursochol is used to treat chronic liver conditions, and alcohol can increase the burden on the liver, individual consideration by a physician is referenced.

Q: What should be done if I suspect an allergic reaction to Ursochol?

Official patient information describes that immediate medical attention is necessary if severe symptoms are noticed. These signs may include difficulty breathing, or swelling of the face, tongue, or throat.

Q: What are the signs that Ursochol is working as intended?

The way the drug's effectiveness is confirmed is through clinical monitoring. This involves tracking key liver function biomarkers (like AST and alkaline phosphatase) and, for gallstone dissolution, by periodic radiological examinations to see if the stone size has decreased.

Q: What is the general success rate of Ursochol described in studies?

Clinical studies have focused on specific outcomes rather than a single 'success rate.' For Primary Biliary Cholangitis, studies have shown improvement in liver function biomarkers and a decrease in major clinical events, such as the need for liver transplantation.

Q: Why is the drug sometimes called Ursodiol?

Ursodiol is a common generic and brand name for the active ingredient, ursodeoxycholic acid (UDCA), particularly in the United States and other regions, as documented in NIH and FDA sources.

Q: What is the typical time frame for follow-up appointments while on Ursochol?

Official monitoring guidelines specify that liver function tests are to be checked monthly for the first three months of therapy, and then every six months thereafter. For gallstone dissolution, a gallbladder scan is also typically required every 6 to 10 months.

Q: Is it possible for Ursochol to stop working over time?

In the context of gallstone dissolution, official safety information notes that the underlying gallstones may calcify during treatment. If this happens, the medication becomes ineffective for dissolution and requires an alternative approach.

Q: What is the typical experience of starting Ursochol for the first time?

Official patient information indicates that at the beginning of treatment for Primary Biliary Cholangitis (PBC), symptoms like itching may temporarily worsen. If this occurs, a temporary adjustment of the dose may be initiated under medical supervision.

Q: Are there any known long-term side effects on the digestive system from Ursochol?

Regulatory documents state that side effects are primarily related to the gastrointestinal system, with diarrhea and abdominal pain listed as very common. These effects are often noted as being dose-dependent.

Q: Is Ursochol considered an immunosuppressive drug?

No, Ursochol is classified in regulatory documents as a bile acid and a choleretic. However, it is noted in the interaction section that Ursochol can increase the plasma exposure of the immunosuppressant medication Ciclosporin.

How should Ursochol be stored and disposed of?

The storage and disposal of Ursochol (Ursodeoxycholic Acid) must strictly follow the requirements documented in official regulatory labeling.

Storage Requirements

Ursochol must be stored at Controlled Room Temperature, defined as 20°C to 25°C (68°F to 77°F). Temperature excursions are permitted between 15°C and 30°C. The medication must be kept in its original container and the container must remain tightly closed to protect it from excessive moisture. Scored tablets, such as URSO Forte, require that broken segments be stored separately from the whole tablets. As with all medicines, Ursochol must be stored out of the reach of children.

Disposal Instructions

Official guidelines state that unused or expired Ursochol must be disposed of according to local regulations. Medicine should generally not be discarded by flushing it down a toilet or throwing it into household trash, unless local rules specify otherwise.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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