Ursohep

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Ursohep

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Medically reviewed

Laura Arias

Last updated on 22/12/2025

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 Ursohep

Property Description
Active ingredient Ursodiol (Ursodeoxycholic acid, UDCA)
Form Capsule or Tablet (Oral)
Pharmacological class Hepatoprotective agent, Choleretic
General purpose Supports liver health and modifies bile composition
Origin Synthetic derivative of a natural bile acid

Defining Ursohep: What Type of Medicine Is It?

Ursohep is a prescription medicine with the active compound Ursodiol, chemically known as Ursodeoxycholic acid (UDCA). It is classified as a hepatoprotective agent, meaning it acts to protect and support the function of the liver and the biliary system. Furthermore, it is a bile acid derivative and belongs to the pharmacological group of choleretics and litholytic agents, a classification that indicates the drug is designed to influence the flow and content of bile. Ursodiol is a highly hydrophilic bile acid, a property clinically recognized for reducing the toxicity associated with hydrophobic bile acids that can accumulate during impaired bile flow.

Composition and Origin: Is Ursodiol Natural or Synthetic?

The formulation of Ursohep is a single-active-ingredient product containing only Ursodiol, supplied as a capsule or tablet for oral administration. While Ursodiol is a secondary bile acid that exists naturally in the human body as a metabolite, the therapeutic agent used in Ursohep is manufactured synthetically. This controlled, synthetic manufacturing ensures the precise purity and consistent characteristics required for safe pharmacological intervention. Several other brands, such as Ursofalk and Actigall, utilize this same established formulation of Ursodiol for oral use.

General Purpose: What Does Ursohep Generally Help to Achieve?

The general purpose of Ursohep is to support and stabilize the health of the liver and its associated bile ducts by chemically modifying the composition of bile. It functions by reducing the saturation of cholesterol in the bile and providing a cytoprotective effect by stabilizing liver cell membranes. This mechanism is crucial for improving bile flow and supporting the gradual dissolution of certain cholesterol accumulations. This means the drug helps to create an internal environment where bile flows more smoothly and cholesterol is less likely to solidify into obstructions.

Regulatory References

  1. NIH on Ursodiol
  2. MedlinePlus: Ursodiol

What side effects are possible with Ursohep?

Possible Side Effects and Safety Information

The safety profile of Ursohep (ursodiol) is characterized by adverse reactions classified by frequency and system-organ class, as documented in official regulatory prescribing information.


Frequency-Classified Adverse Reactions

Adverse reactions are primarily associated with the gastrointestinal and hepatobiliary systems:

Classification Example Documented Reactions
Common (ge 1/100 to < 1/10) Diarrhea, Pasty stools
Very Rare (< 1/10,000) Urticaria (Hives), Calcification of gallstones, Severe right upper abdominal pain
Not Known (Post-marketing) Nausea, Vomiting, Abdominal pain, Pruritus (Itching), Rash, Alopecia, Headache

Serious Adverse Reactions and Safety Constraints

The regulatory label documents rare but serious adverse reactions and specific constraints on use. Hepatic cirrhosis decompensation has been very rarely observed in patients with advanced Primary Biliary Cholangitis (PBC), which may partially regress upon discontinuation. The formation of Enteroliths (Bezoars) has been reported rarely in post-marketing surveillance.

Ursohep is contraindicated in patients with complete biliary obstruction, radio-opaque calcified gallstones, or if the gallbladder cannot be visualized.


Population-Specific Notes and Monitoring

Clinical symptoms such as pruritus may temporarily worsen at the beginning of treatment in rare cases, particularly for patients with PBC. Furthermore, regular monitoring of liver function tests (e.g., AST, ALT, gamma -GT) is mandated throughout therapy to detect potential changes in the hepatobiliary system. Women of childbearing potential receiving this medicine for gallstone dissolution should use effective non-hormonal contraception, as hormonal agents may counteract the treatment's effect.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documents for Ursohep (ursodeoxycholic acid) define a specific overdose profile centered on gastrointestinal effects and mandated emergency actions. The likelihood of systemic complications is low, as the compound's absorption decreases at very high doses.

Feature of Overdose Regulatory Description
Primary Manifestation The most likely sign of a severe overdose is diarrhea, which may also include the passage of pasty stools.
Severe Outcomes Life-threatening outcomes or reports of accidental or intentional severe overdosage have not been documented in the regulatory prescribing information.

Required Emergency Actions

In the event of a suspected overdose, it is officially mandated to contact a healthcare professional, hospital emergency department, or regional Poison Control Centre immediately. This professional assessment is required regardless of whether or not symptoms are currently present.

If diarrhea is the only manifestation, treatment is strictly symptomatic, focusing on the restoration of fluid and electrolyte balance. No specific antidote is described or required for the management of the primary overdose effect. The treating professional will determine the appropriate supportive care.

Therapeutic Uses of Ursohep

Ursohep, a form of ursodeoxycholic acid, is a therapeutic agent commonly used to help with conditions characterized by periods of heightened symptoms associated with disorders of the liver and biliary system. The core therapeutic areas include addressing conditions that require the management of specific types of gallstones and the management of primary biliary cholangitis (PBC).

Easing Symptomatic Discomfort in Liver and Biliary Issues

Ursohep supports symptomatic management across domains where additional symptomatic support is needed, such as for patients with certain biliary conditions. This contributes to improved comfort during periods of symptoms related to physical discomfort and helps address symptoms that create noticeable physiological strain.

“It assists in addressing symptom clusters that may become intense or disruptive.”

Quick Fact: Support for Symptoms Related to Systemic Imbalance

Support for Functional Stability

The medication is relevant in contexts involving recurrent or episodic manifestations of cholestatic liver diseases. When symptoms intensify and short-term symptomatic assistance is needed, Ursohep plays a role in managing the overall symptom burden. It is applied in scenarios where supportive symptom management is appropriate, providing assistance that assists with maintaining functional stability during difficult episodes.

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Ursohep — official regulatory information


Eligibility scope

  • Populations for whom use is allowed (as stated in label): Adults for Primary Biliary Cholangitis (PBC). Adults for dissolving specific non-calcified cholesterol gallstones. Children (aged 6 to less than 18) for hepatobiliary disorders associated with Cystic Fibrosis (EMA/SmPC).
  • Populations for whom use is contraindicated: Known hypersensitivity to the drug. Complete biliary tract obstruction. Acute inflammation of the gallbladder or biliary tract. Radio-opaque calcified gallstones (for dissolution indication). Impaired gallbladder contractility.
  • Age-related eligibility rules: Safety and effectiveness for general pediatric use are not established (US FDA). Adults are the standard approved population.
  • Pregnancy and lactation eligibility status: Must not be used during pregnancy unless clearly necessary. Women of childbearing potential taking it for gallstone dissolution must use non-hormonal contraception. Use during lactation is generally not recommended or requires caution.

Eligibility classifications (high-level)

  • Eligibility severity classification (as defined in official documents): Contraindicated (e.g., Biliary Obstruction, Hypersensitivity). Not Recommended (e.g., Pregnancy, Decompensated Cirrhosis). Not Established (General Pediatric Use).
  • Regulatory basis: US FDA and EMA/SmPC.
  • Eligibility-context constraints: Restrictions are tied to the type of gallstone (must be non-calcified) and the patient’s biliary tract function (must be patent).

Connection to the overall eligibility profile

Regulatory documents define eligibility primarily by establishing absolute contraindications linked to the patency of the biliary tract and hypersensitivity to the medicine. Eligibility is also restricted by the type of gallstones and the patient’s reproductive status, confirming use in adults for specific liver conditions while limiting pediatric eligibility to specific diagnoses.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Ursohep (Ursodiol) is documented in regulatory sources and primarily involves substances that affect its absorption or counteract its therapeutic objective.

Official Interaction Statements

Interacting Agent Category Regulatory Description of Interaction
Intestinal Adsorption Agents (Bile Acid Sequestrants, Aluminum-based Antacids) Reduce Ursohep's absorption and efficacy by binding bile acids in the intestine.
Cholesterol-Secretion Enhancers (Estrogens, Oral Contraceptives, Clofibrate) Counteract Ursohep's therapeutic effect in gallstone dissolution by increasing hepatic cholesterol secretion.
Immunosuppressants (Ciclosporin) Ursohep can increase the intestinal absorption of Ciclosporin, requiring clinical monitoring of its blood levels.
Calcium Channel Blockers (Nitrendipine) Co-administration results in reduced plasma peak concentrations (C max) and area under the curve (AUC) of Nitrendipine.

Interaction-Related Constraints

  • Mandatory Timing Rule: Agents that bind bile acids, such as aluminum-based antacids or cholestyramine, must be administered at least two hours before or after Ursohep to minimize reduced absorption.
  • Contraception Note: Women of childbearing potential receiving Ursohep for gallstone dissolution are noted to use effective non-hormonal contraception due to the counter-efficacy of hormonal oral contraceptives.

These documented interactions define the necessary administration requirements and co-use restrictions as stated in official government labeling.

Mechanism of Action

The mechanism of action for Ursodiol (Ursohep) involves a multifaceted approach characterized by cytoprotection, modulation of the bile acid pool, and adjustment of bile flow dynamics.

Modulation and Detoxification of the Bile Acid Pool

This mechanism focuses on competitive substitution within the enterohepatic circulation. Ursodiol, a hydrophilic bile acid, displaces the more toxic hydrophobic bile acids, integrating itself into the bile fluid to reduce its detergent-like damage to hepatocyte and cholangiocyte membranes.

Cellular Cytoprotection and Apoptosis Control

The drug acts as a membrane stabilizer, physically incorporating into the lipid bilayers of liver cells, including the mitochondrial membranes. This action is crucial for suppressing the intrinsic apoptotic pathway, preventing the release of cell-death signals and thus limiting the progression of cell death and the resulting tissue damage against chemical injury.

Flow Enhancement and Cholesterol Solubilization

Ursodiol provides a choleretic effect by stimulating the insertion and activity of specific canalicular transport proteins on liver cells, leading to increased bicarbonate and fluid secretion. Simultaneously, it inhibits the secretion of cholesterol from the liver, lowering the cholesterol saturation index of the bile, creating conditions that support the solubilization of cholesterol and enhanced bile movement.

Dosage and Administration Information

How to Use Ursohep: Administration Guidelines

Ursohep (ursodeoxycholic acid) administration follows established protocols focusing on oral intake, body-weight-based dosing, and specific timing relative to meals.


Administration Scope

Feature Instruction
Route of Administration The medicine is for oral consumption in the form of capsules, tablets, or liquid suspension.
Dosing Schedule Daily dosage is primarily body-weight-dependent; for example, treatment for Primary Biliary Cholangitis (PBC) is typically 13 to 15 mg/kg/day.
Frequency and Timing The total daily dose is divided into two to four portions and administered throughout the day. Ursohep is generally taken with food.
Preparation Requirements 500 mg tablets are often scored and may be broken in half to achieve required dose adjustments. Tablets or capsules must be swallowed whole with water.
Course Duration Treatment for conditions like gallstone dissolution requires a prolonged course, often continuing for several months to over a year. Use may continue for 3 to 4 months after clearance is confirmed.

Procedural Structure

The usage protocol ensures consistent administration to support its prescribed action. The initial dose calculation is personalized using the milligram-per-kilogram rule, establishing the precise starting amount. This total amount is then divided into multiple smaller doses to be taken with meals, a specific timing instruction that assists in maintaining optimal drug levels within the biliary system. Furthermore, adherence to a long-term schedule is necessary, as early cessation of the prescribed regimen may alter the intended outcome. Pediatric use rules for specific hepatobiliary disorders also detail a body-weight-based divided dose regimen.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Ursohep

The research record for Ursodiol (Ursohep) is built upon Randomized Controlled Trials (RCTs) and large-scale observational studies that monitored patient outcomes over extended periods. This research was studied for conditions affecting the liver and bile flow, with a focus on specific clinical endpoints.


Evidence for Use in Primary Biliary Cholangitis (PBC)

The research for PBC, a condition characterized by functional limitations and the potential for systemic imbalance, includes numerous controlled trials and large patient registries. Researchers was evaluated in how the agent relates to long-term endpoints, including liver transplantation and overall survival, which was monitored over many years. Studies have extensively examined changes in certain biochemical markers of liver health, such as Alkaline Phosphatase (ALP) and Bilirubin levels. Findings describe patterns observed in the studies where data show patterns related to the agent in many patients studied.

Evidence for Use in Cholesterol Gallstone Management

Ursohep was studied for two distinct scenarios related to gallstones: dissolution and prevention. For gallstone dissolution, RCTs followed selected adult patients with radiolucent (non-calcified) cholesterol stones. The studies examined the rate of complete or partial dissolution. Findings indicate a pattern of gallstone dissolution was observed in some studies, but the evidence is limited, and the findings apply only to gallstones of the specific size and composition studied. For prevention of gallstones during periods of rapid weight reduction, RCTs and meta-analyses researched the rate of new gallstone formation. Studies monitored the incidence of new gallstones and data show patterns related to a lower incidence in the studied populations during these rapid weight loss phases.


What is Still Uncertain in the Research Landscape

Evidence exploring how subjective outcomes related to physical discomfort, such as fatigue and pruritus (itching) in PBC, change over time has been observed in some studies to yield mixed findings. Scientific literature acknowledges that a significant number of patients studied for PBC do not achieve the desirable biochemical changes, and subgroup findings are uncertain regarding the full spectrum of patient response. Furthermore, follow-up durations were limited for many initial controlled trials, and evidence quality varies across studies when assessing very long-term outcomes.

Key Studies & References

  1. Randomised controlled trials of ursodeoxycholic-acid therapy for primary biliary cirrhosis: a meta-analysis (PBC Efficacy/Symptom Outcomes)
  2. Ursodiol (Ursodeoxycholic Acid) - LiverTox - NCBI Bookshelf (General Overview, Mechanism, and Safety)

Frequently Asked Questions (FAQ)

Common questions about Ursohep (FAQ)


Q: Does Ursohep have any impact on a person's weight?

A: Weight changes are not listed as a primary or common effect of this medicine. However, regulatory-related resources mention that weight gain has been reported as an uncommon side effect in some studies.

Q: Is Ursohep ever used to help prevent gallstones in people losing weight rapidly?

A: Yes, official labeling indicates that this medicine is used for the prevention of gallstones. This is primarily for certain populations who are undergoing rapid weight reduction, where the risk of forming new gallstones is increased.

Q: Can Ursohep be used for other liver issues besides PBC?

A: Regulatory documents indicate that in addition to Primary Biliary Cholangitis (PBC) and dissolving certain gallstones, the medicine is used for specific hepatobiliary disorders. For example, it is indicated for conditions linked to Cystic Fibrosis in children within certain age ranges.

Q: Are there any specific monitoring tests required while taking Ursohep (e.g., blood work, scans)?

A: Official prescribing information mandates regular monitoring of certain liver function tests throughout the course of treatment. These tests often measure biochemical markers in the blood, such as AST, ALT, gamma-GT, and bilirubin levels, to detect potential changes in the hepatobiliary system.

Q: Why is Ursohep sometimes taken with food?

A: Official administration guidelines state that the medicine is generally prescribed to be taken with food. This timing is part of the established administration protocol outlined in the official documentation.

Q: Can Ursohep affect other medicines that are taken by mouth?

A: Yes, official documents note that the effectiveness of Ursohep can be reduced by other oral medicines. For instance, substances that bind bile acids, such as certain antacids or bile acid sequestering agents, can decrease the medicine's absorption.

Q: At what age is Ursohep treatment typically started for children with certain liver conditions?

A: Regulatory documents from certain regions specify the use of this medicine for hepatobiliary disorders associated with Cystic Fibrosis in a defined pediatric population. Specifically, use is indicated for children aged 6 to less than 18 years old.

Q: What are the rare, but serious, side effects to be aware of with Ursohep?

A: Official safety information documents very rare but serious adverse reactions that users should be aware of. These can include the calcification of existing gallstones, a severe type of abdominal pain, and, in rare instances for patients with advanced liver disease, the decompensation of hepatic cirrhosis.

Q: What does it mean if Ursohep causes dark urine or yellowing of the skin/eyes?

A: Yellowing of the skin or eyes (jaundice) and dark urine are symptoms that have been noted in post-marketing experience. These signs may indicate potential hepatobiliary changes and are documented symptoms related to the liver and bile ducts.

Q: Can Ursohep cause hair loss?

A: Hair loss, clinically known as alopecia, is one of the reactions that has been noted in post-marketing experience. It is classified in official safety documents as a side effect with a frequency that is not known.

Q: Is Ursohep a type of natural bile acid?

A: The active compound, Ursodiol, is chemically derived from a bile acid that naturally occurs in the human body. However, the medicine used for pharmaceutical purposes is manufactured synthetically in a controlled environment to ensure consistent purity and characteristics for therapeutic use.

Q: Why does Ursohep sometimes cause stomach pain or upset?

A: Abdominal pain, discomfort, and upset stomach are listed as documented adverse reactions in official prescribing information. These reactions are associated with the gastrointestinal system.

Q: Can Ursohep cause or worsen issues like heartburn or indigestion?

A: Adverse reaction documentation includes reports of indigestion, which is also called dyspepsia. Reports of inflammation of the esophagus (esophagitis) are also noted in official product information.

Q: Is there a link between Ursohep and headaches or dizziness?

A: Yes, official prescribing documents list both headache and dizziness as documented adverse reactions. These effects have been reported in clinical trials and post-marketing experience.

Q: Is Ursohep available in a liquid or suspension form?

A: While the standard commercial medicine is often provided as a capsule or tablet, the active ingredient is also available in a powder form. This powder may be used for compounding into a liquid suspension.

Q: What does the research say about the long-term use of Ursohep for PBC?

A: Research studies and long-term data for the treatment of Primary Biliary Cholangitis (PBC) have been monitored over many years. This research has examined how the medicine relates to long-term endpoints, including the need for liver transplantation and overall survival rates in studied patient populations.

Q: Does Ursohep affect the ability to drive or operate machinery?

A: Official product information, specifically from European regulatory bodies, states that no effects on the ability to drive or operate machines have been observed with the use of this medicine.

Q: How does Ursohep change the bile in the body?

A: The medicine works by changing the composition of bile in the body. It does this by increasing the proportion of hydrophilic bile acids, which are less toxic, and by reducing the amount of cholesterol saturation in the bile fluid.

Q: Are there any common cold symptoms or infections linked to taking Ursohep?

A: Official adverse reaction lists mention common cold-like symptoms such as cough and sore throat as possible side effects. The label also lists fever, chills, and other signs of a new infection as serious side effects to report.

Q: Does Ursohep have any effects on the joints or muscles?

A: Official documents list back pain and muscle pain as documented side effects of the medicine. Arthritis is also noted, though less frequently, in reports of adverse reactions.

Q: Why is it necessary to take Ursohep for a prolonged period to dissolve gallstones?

A: The process of dissolving gallstones is a gradual one that regulatory texts note takes a prolonged course of treatment. Treatment requires several months, potentially over a year, and official information notes that treatment is continued for a specific period after stone clearance is confirmed.

Q: Can the effectiveness of Ursohep be reduced by other medications?

A: Yes, the effectiveness of the medicine, particularly for gallstone dissolution, may be counteracted by certain other medications. This includes hormones such as estrogens and oral contraceptives, or lipid-altering drugs like clofibrate, which can increase the secretion of cholesterol.

Q: Can Ursohep make symptoms of Primary Biliary Cirrhosis worse at first?

A: Official safety information notes that certain symptoms may temporarily worsen at the start of treatment in rare cases for patients with Primary Biliary Cholangitis (PBC). For example, pruritus (itching) is specifically noted as a symptom that may temporarily increase.

Q: Does Ursohep help reduce elevated liver enzymes?

A: Research has focused on changes in biochemical markers of liver health, such as Alkaline Phosphatase (ALP) and Bilirubin. Official resources indicate that the medicine has been associated with decreased levels of these liver enzymes in patients with certain liver conditions.

How should Ursohep be stored and disposed of?

How to Store and Dispose of Ursohep (Ursodiol)


Storage Requirements

Ursohep must be stored at Controlled Room Temperature (CRT), maintaining a range between 20 C and 25 C (68 F and 77 F). The medicine must be kept in a closed container. For child safety, the product is required to be kept out of the reach of children.

Stability and Handling

Specific stability rules apply to scored tablets: any unused half-tablets must be stored separately and must be used within 28 days of being broken.

Disposal Instructions

Disposal of expired or unused Ursohep should follow official guidelines. The preferred method is through a drug take-back program. If a program is unavailable, mix the medicine with an unappealing material (like dirt or used coffee grounds) in a sealed bag and dispose of it in the household trash. The medicine is not on the list of products approved for flushing down the toilet.

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

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