Solvobil

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Solvobil

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Medically reviewed

Marina Burgos

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 Solvobil

Quick Facts

Property Description
Active ingredient Ursodiol (Ursodeoxycholic Acid, UDCA)
Form Oral solid forms (capsule or tablet)
Pharmacological class Choleretic, Litholytic, and Hepatoprotective Agent
Common use Modulating bile composition and flow
Origin Synthetic bile acid derivative

What Kind of Medicine is Solvobil and What is its Class?

Solvobil is a specialized pharmaceutical preparation designated as a choleretic and litholytic agent that targets the composition and flow of bile. The drug's singular active ingredient is Ursodiol, formally known as Ursodeoxycholic Acid (UDCA). Ursodiol is categorized as a bile acid preparation under the Anatomical Therapeutic Chemical (ATC) classification system, which is clinically recognized for its unique ability to alter the biophysical properties of bile. The pharmacological class of hepatoprotective agent further confirms the medication's intended role in stabilizing the health of liver cells, or hepatocytes, against chronic exposure to potentially toxic bile components.

Composition, Form, and General Therapeutic Purpose

The Solvobil preparation contains only the active substance Ursodiol, a synthetic derivative of naturally occurring bile acids, typically supplied as an oral solid form. Ursodiol is a hydrophilic bile acid, which aids the body by displacing the more toxic, naturally present hydrophobic bile acids. This synthetic origin is essential to its therapeutic effect, which involves promoting the solubilization of cholesterol and stimulating bile flow. Solvobil's general purpose is to maintain and normalize bile fluid characteristics, often used in patient scenarios where normalizing bile viscosity is paramount. As a single-ingredient prescription-only medicine, its formulation is precisely focused on delivering the therapeutic benefits of Ursodeoxycholic Acid without the complexity of combination products.

Regulatory References

  1. NCI Drug Dictionary

What side effects are possible with Solvobil?

Possible side effects and safety information

The safety profile for Solvobil (Ursodiol) is based on official government regulatory documents, which categorize adverse reactions by frequency and the body system affected. The most frequently documented effects are concentrated in the gastrointestinal system, though effects across other systems are also listed.

Classification Adverse Reaction Examples
Very Common (ge1/10) Diarrhea
Common (ge1/100 to <1/10) Abdominal pain, Nausea, Back pain, Alopecia (hair loss), Rash

Serious Adverse Reactions and Risk Context

Regulatory documentation specifies important, though rare, safety considerations. Decompensation of hepatic cirrhosis (worsening liver function) is classified as a Very Rare event (lt 1/10,000), particularly reported in patients with advanced Primary Biliary Cholangitis (PBC). This risk has been noted as occurring more frequently during the initial months of treatment and is generally reversible upon cessation.

Other serious events documented in post-marketing reports include high-level drug hypersensitivity reactions such as angioedema and laryngeal edema.

Safety Constraints and Monitoring

Official labeling requires the periodic monitoring of liver function tests (including AST, ALT, ALP, and bilirubin) at the start of therapy and periodically thereafter. The medicine is formally contraindicated in patients with conditions such as complete occlusion of the biliary tract.

Overdose and Emergency Response

Overdose and When to Seek Help

Information regarding Solvobil (Ursodiol) overdose is based strictly on descriptions documented in official government regulatory labels, adhering to requirements from authorities like the FDA and EMA.

Documented Overdose Manifestations and Severity

The most likely manifestation of a severe overdose documented in regulatory labeling is diarrhea. This effect is primarily related to the drug's action within the gastrointestinal system. Official documents note that a severe systemic overdose is generally considered unlikely because the body's absorption of Ursodiol decreases significantly at higher doses, leading to increased excretion via the feces. Currently, there are no reports of accidental or intentional overdosage in human subjects detailed in the regulatory prescribing information, thus restricting severity classification to the management of gastrointestinal effects.

Emergency Actions and Management

If an overdose of Solvobil is suspected, immediate medical attention should be sought, or a Poison Control Center should be contacted.

The regulatory guidance for management is focused on addressing the primary symptom. If the patient develops persistent diarrhea, the mandated course of action is to either reduce the dose of the medication or completely discontinue therapy. Management of the overdose is strictly supportive and symptomatic, focusing on the restoration of fluid and electrolyte balance to counteract the effects of diarrhea. No specific counter-measures or antidote are necessary beyond this supportive care.

Therapeutic Uses of Solvobil

What Solvobil Treats: Main Uses and Benefits

Solvobil is commonly used to help manage complex conditions related to the liver and biliary system. Its primary therapeutic applications are generally concentrated in two key areas, providing support across multiple symptom-focused domains.


Long-Term Biliary Support

Solvobil is considered relevant for the management of Primary Biliary Cholangitis (PBC), a condition where symptoms may intensify temporarily due to impaired bile flow. It is commonly used to help support more stable liver enzyme levels (ALP, GGT) and addresses groups of symptoms that may become intense or disruptive, such as pruritus (itching) often associated with these conditions. The medication may play a role in supporting the long-term stability of the condition, which contributes to easing the overall symptom load.


Management of Gallstone Presence and Risk

This medicine is applied in addressing conditions presenting with systemic discomfort and is relevant for easing the burden of cholesterol gallstones that are radiolucent and small. It may also assist with reducing the risk of new stone formation during phases when patients are undergoing rapid weight loss. This is relevant for easing discomfort when symptoms interfere with daily functioning.

Quick Fact: Therapeutic Contexts
Chronic Management Used in situations involving certain distressing symptoms related to PBC stability.
Acute Relief Applied across domains where additional symptomatic support is needed for pruritus.
Prophylaxis Assists with reducing the risk of gallstone formation in high-risk clinical scenarios.

Regulatory References

  1. Ursodiol: MedlinePlus Drug Information

Eligibility and Restrictions for Use

Eligibility Profile: Who Can and Cannot Use Solvobil?

This section outlines the official population eligibility and exclusion criteria for Solvobil as defined in government regulatory documents, such as the Summary of Product Characteristics (SmPC) and Prescribing Information.

Mandatory Exclusions (Contraindications)

The medicine must not be used by individuals meeting the following criteria:

  • Hypersensitivity: Patients with a documented, severe allergic reaction or known hypersensitivity to the active substance or any of the inactive ingredients (excipients) in Solvobil.
  • Severe Organ Impairment: Individuals with specific, documented thresholds of severe, uncompensated hepatic or renal failure where use is prohibited due to unacceptable risk.

Restricted Use and Special Populations

Use is subject to restrictions, caution, or is not recommended in the following groups:

  • Age: Use is not established and not recommended for pediatric patients (children and adolescents under 18 years of age) due to insufficient data on safety and efficacy in this population.
  • Pregnancy and Lactation: Use during pregnancy is generally not recommended, especially during the first trimester, unless the benefit to the mother outweighs the potential risk to the fetus. A decision must be made to discontinue breastfeeding or Solvobil therapy, as the substance may be excreted in human milk.
  • Comorbidity: Patients with moderate hepatic or renal impairment must use Solvobil only with specific dose adjustments and close medical supervision.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Regulatory documentation outlines specific interaction patterns for Solvobil (Ursodiol), primarily concerning effects on absorption, systemic exposure, and efficacy.

Documented Interaction Patterns

Interaction Type Interacting Agent Class/Substance Official Regulatory Statement
Reduced Absorption Bile Acid Sequestering Agents (e.g., Cholestyramine), Aluminum-based Antacids These substances bind bile acids, leading to a documented reduction in the absorption and resulting exposure of Solvobil.
Counteracted Efficacy Estrogens, Oral Contraceptives, Clofibrate These agents increase the amount of cholesterol secreted into the bile, which is officially stated to counteract the litholytic effectiveness of Solvobil.
Altered Drug Exposure Ciclosporin (Cyclosporine) Co-administration is officially documented to increase the systemic plasma concentration and exposure of Ciclosporin.

Administration Timing and Restrictions

Co-administration with Bile Acid Sequestering Agents or Aluminum-based Antacids requires mandatory separation. The regulatory guidance instructs that the interacting agent must be administered at least two hours before or two hours after the Solvobil dose. Due to its potential to increase risks, the consumption of alcohol is officially suggested to be avoided.

Women of childbearing potential taking Solvobil for gallstone dissolution should utilize non-hormonal contraception due to the officially documented counteracting effect of estrogens on efficacy. These interactions describe how specific co-administered substances or products can officially influence Solvobil's concentration or its intended therapeutic action.

Mechanism of Action

Altering Bile Acid Composition and Chemistry

The drug exerts its primary effect by introducing a highly hydrophilic bile acid into the enterohepatic circulation, causing the physical displacement and substitution of more toxic, hydrophobic endogenous bile acids. This compositional shift directly reduces the relative concentration of cholesterol in the bile fluid, thereby promoting biliary desaturation and enhancing the fluid’s capacity to solubilize existing cholesterol solids.


Cytoprotective Stabilization of Liver Cells

Ursodiol engages a cellular stabilization mechanism where it integrates into the hepatocyte and cholangiocyte membranes. This structural support modulates bile component-induced injury and inhibits the mitochondrial apoptotic pathways that are typically triggered by cytotoxic bile components. This action influences the structural and functional integrity of the liver and biliary duct lining.


Enhancing Biliary Secretion and Flow

The molecule modulates transport mechanisms within the bile duct cells to achieve a distinct choleretic effect. By upregulating specific ion transporters, it stimulates the active secretion of bicarbonate and water, resulting in an increased volume and reduced viscosity of the bile fluid. This enhancement in bile flow mechanically facilitates the clearance of material, which contributes to the desaturating and cytoprotective mechanisms.

Dosage and Administration Information

Official Administration Protocol

Solvobil (Ursodiol) is administered exclusively via the oral route, available in multiple forms including capsules, tablets, and an oral suspension. The medication is typically taken in divided doses two to four times daily and is generally instructed to be administered with food to assist with absorption. This requirement for divided daily administration ensures the maintenance of stable concentrations of the active substance throughout the day.

Dosing and Preparation

Dosing is primarily determined by body weight, with standard adult regimens specified in milligrams per kilogram per day (mg/kg/day). For chronic management, the regimen is typically 13 to 15 mg/kg/day. For gallstone dissolution, a lower range of 8 to 10 mg/kg/day is used. Scored Solvobil tablets are officially designed to be broken in half to help achieve the precise prescribed quantity, but all segments must always be swallowed whole with water and should not be chewed. Specific dosing instructions are also specified for the use of Ursodiol in certain pediatric populations, starting with a regimen of 20 mg/kg/day in divided doses.

Duration and Missed Doses

Administration duration varies substantially: for conditions requiring chronic support, treatment is generally long-term and continuous. Conversely, use for gallstone dissolution may extend for many months, often requiring continuation for at least three to four months after the stones are no longer radiologically visible. If a dose is missed, it is generally advised to take it as soon as remembered; however, if it is almost time for the next scheduled dose, the missed dose should be skipped to prevent taking a double amount. The overall protocol is structured to maintain consistent, daily therapeutic exposure to the medicine.

Recent Clinical Evidence

Solvobil: Recent Clinical Evidence

This section summarizes the clinical evaluations and research that characterize Solvobil (Ursodiol), drawing from authoritative sources like large-scale Randomized Controlled Trials (RCTs), systematic reviews, and patient registries. The evidence primarily focuses on two key therapeutic areas.

Evidence for Use in Primary Biliary Cholangitis (PBC)

Research for PBC, a condition involving changes in the body’s systemic balance, primarily utilized RCTs and multicenter studies. These efforts involved measuring key liver biomarkers (such as ALP and bilirubin levels) and monitoring long-term clinical outcomes (like the need for a liver transplant). Long-term observational settings described patterns related to transplant-free survival in certain studied populations. However, evidence is limited, and findings were mixed regarding research exploring patient-reported symptoms, notably fatigue, which has shown variability across different studies.

Evidence for Use in Clinical Trials Addressing Cholesterol Gallstones

Solvobil was studied for its use in clinical trials addressing cholesterol gallstones, conditions associated with acute episodes. Research employed clinical trials to monitor outcomes related to gallstone dissolution and the prevention of new stone formation in high-risk groups. Findings indicate that dissolution measurements were heavily dependent on stone size and cholesterol content. Furthermore, research documented that returning gallstones was observed in a significant portion of studied individuals within five years of the medicine's discontinuation.

Long-Term Follow-up and Research Gaps

For PBC, long-term prospective studies and patient registries provide data on outcomes related to disease progression over many years. For the gallstone indication, follow-up durations are limited primarily to five years when monitoring recurrence. Data for certain patient subgroups, such as pediatric populations or those with specific degrees of disease severity, remain insufficient. Limited comparative evidence is available against newer alternative therapies.

Key Studies & References Impact of ursodeoxycholic acid on the natural history of primary biliary cholangitis: a multicenter cohort study (Global PBC Study Group Registry Data)

Frequently Asked Questions (FAQ)

Common questions about Solvobil (FAQ)

Q: Is Solvobil a generic drug or a brand-name drug?

A: Solvobil is a brand name for the active ingredient called ursodiol, or ursodeoxycholic acid. Ursodiol is the generic name and may be available under various other brand names. According to official product information, both the brand and generic forms contain the same active substance.

Q: Are there any specific foods or drinks that should be avoided when taking Solvobil?

A: Regulatory documents describe that Solvobil is generally instructed to be administered with food to assist with absorption. Alcohol consumption is officially suggested to be avoided while undergoing treatment. Beyond alcohol, no other specific foods or drinks are commonly listed as restricted in official product information.

Q: How long does it typically take to see the expected effects of Solvobil?

A: Official information indicates that the therapeutic effects of Solvobil are measured by laboratory results, such as changes in liver markers, or physical measurements like the dissolution of gallstones. These measurable outcomes can take several months of continuous administration to become apparent. The time it takes for a patient to self-perceive a difference is not specified in regulatory documents.

Q: Is Solvobil safe for use in patients who are elderly?

A: Official regulatory documents do not typically specify different dosing or restrictions for the elderly population compared to other adults. Regulatory documents indicate that the primary contraindications and cautions apply to all adults, including older individuals, with special consideration for severe organ impairment.

Q: Is Solvobil suitable for use in children or adolescents?

A: Official information often states that the safety and efficacy of Solvobil are not established or not recommended for children and adolescents under 18 years of age due to insufficient data. Specific dosing instructions may be documented for use in certain pediatric populations and conditions, according to official labeling.

Q: What should be done if a dose of Solvobil is accidentally missed?

A: Official instructions describe the protocol for a missed dose, which is generally to take it as soon as remembered. However, if it is almost time for the next scheduled dose, the missed dose should be skipped entirely. The guidance is structured to maintain consistency and prevent the potential for double exposure.

Q: Is it necessary to have routine blood tests while taking Solvobil?

A: Yes, official labeling requires the periodic monitoring of liver function tests. These tests measure specific liver biomarkers (such as AST, ALT, ALP, and bilirubin) and are typically performed when starting therapy and periodically thereafter. This monitoring is officially required to assess liver function during the treatment period.

Q: Can Solvobil cause changes in weight or appetite?

A: The official documentation focuses on adverse reactions that are most common in clinical studies, primarily related to the gastrointestinal system, such as diarrhea and abdominal pain. While these may indirectly affect appetite, generalized weight change or changes in appetite are not commonly listed as frequently reported adverse reactions in official labeling.

Q: Is there a known link between Solvobil use and mood changes or depression?

A: Official regulatory documents generally list effects in the Nervous System class, such as headache and dizziness, as possible. However, mood changes or depression are not typically included as frequently reported adverse reactions in the standard safety summary for this medicine.

Q: What is the main active ingredient in Solvobil?

A: The main active ingredient is Ursodiol, which is formally known as Ursodeoxycholic Acid (UDCA). Information on both the active and inactive ingredients (excipients) is generally detailed in the full product documentation.

Q: Is Solvobil commonly associated with allergic reactions?

A: Regulatory documents indicate that drug hypersensitivity and severe reactions, such as angioedema (swelling), are possible but classified as rare events. A known hypersensitivity to the drug's components is listed as a mandatory exclusion (contraindication) in the official labeling. Less severe, generalized allergic reactions are not commonly reported in the main frequency tables.

Q: Is the effectiveness of Solvobil reduced by taking it with food?

A: No, the official administration instructions state that the medication is generally directed to be taken with food. This is described as assisting with the absorption of the medicine.

Q: What happens if Solvobil is taken for a longer period than initially suggested?

A: For chronic conditions like Primary Biliary Cholangitis (PBC), regulatory documents indicate that treatment is typically intended to be long-term and continuous. Long-term observational data is reviewed by regulatory authorities to characterize outcomes associated with use over many years.

Q: Is it true that Solvobil can only be used by certain age groups?

A: Use of the medicine is restricted primarily in the pediatric age range. Official documentation states that use is not recommended for most children and adolescents (under 18 years of age) due to a lack of sufficient safety and effectiveness data in this group. The medicine is generally intended for use by adults.

Q: Is Solvobil a controlled substance according to regulatory bodies?

A: Solvobil (Ursodiol) is classified as a prescription-only medicine. However, according to major regulatory bodies, including the U.S. Drug Enforcement Administration (DEA), it is not designated as a controlled substance.

Q: What is the difference between the brand name and the generic form of Solvobil?

A: Solvobil is a brand name, and Ursodiol is the generic name; both contain the same active ingredient. The main differences are typically related to cost and the inactive ingredients (excipients) used in the formulation, which can vary between the branded and generic products.

Q: Can Solvobil be split or crushed, based on its formulation?

A: Scored tablets are officially designed to be broken in half to help achieve a precise dose. Official regulatory instructions indicate that all segments of scored tablets, once broken, are generally directed to be swallowed whole with water and are not intended to be crushed or chewed.

Q: Is there a list of serious side effects associated with Solvobil?

A: Regulatory documents describe certain specific, important, though rare, safety considerations. Examples of serious adverse reactions include the worsening of liver function (decompensation of hepatic cirrhosis) and high-level drug hypersensitivity reactions like angioedema. These are classified based on official documentation.

Q: Can Solvobil affect a person's ability to drive or operate machinery?

A: Some official documents state that the medicine has no or negligible influence on the ability to drive or use machines. However, adverse reactions listed in the product information, such as dizziness and headache, may affect alertness. This is noted in the official product information.

Q: What kind of research evidence supports the use of Solvobil?

A: The use of Solvobil is supported by evidence derived from Randomized Controlled Trials (RCTs) and long-term observational studies. This research focuses on measuring outcomes like changes in key liver biomarkers (e.g., ALP, bilirubin) and rates of gallstone dissolution.

Q: Is there any information about Solvobil's use in patients with kidney problems?

A: Official documents list severe, uncompensated renal failure as a mandatory exclusion (contraindication) for using the medicine. The use in patients with moderate kidney impairment is often subject to dose adjustments and specific monitoring as described in regulatory guidance.

Q: What are the general instructions for storing Solvobil?

A: Official instructions specify that Solvobil must be stored at Controlled Room Temperature (between 20 C to 25 C). The medicine must be kept in the original, tightly closed container and requires protection from both light and moisture to maintain its stability.

Q: Does Solvobil need to be refrigerated or protected from light?

A: The medicine must be protected from both light and moisture according to official storage instructions. However, it is directed to be stored at Controlled Room Temperature, meaning it is generally not intended to be refrigerated.

Q: What is the recommended way to dispose of unused Solvobil medication?

A: Official guidance advises patients to dispose of unused or expired Solvobil according to their local requirements. Official guidance indicates the medicine is not intended to be placed in household trash or poured into wastewater systems. Patients are advised to utilize official medication take-back programs or consult a pharmacist for guidance on safe disposal procedures.

Q: Can Solvobil affect fertility in men or women?

A: Official regulatory documents, including animal reproduction studies, have generally shown no evidence of impaired fertility or harm to the fetus. Specific guidance for women of childbearing potential taking the medicine for certain conditions is described in the product information.

How should Solvobil be stored and disposed of?

The official labeling for Solvobil specifies strict storage and disposal requirements to maintain product stability and safety, based on government regulatory documents.

Official Storage Conditions

Solvobil must be stored at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F). The medicine must be kept in the original, tightly closed container and requires protection from both light and moisture. Storage should avoid exposure to excessive heat. Consistent with safety guidance, the medicine must be stored out of the sight and reach of children.

Disposal Instructions

Unused or expired Solvobil must be disposed of according to local requirements. It must not be placed in household trash or poured into wastewater systems (sinks or toilets). Patients should utilize official medication take-back programs or consult a pharmacist for guidance on safe disposal procedures.

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

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