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Ursodiol

1.17
Ursodiol (ursodeoxycholic acid) is a digestive health medication used to dissolve gallstones and treat biliary disorders. It functions by lowering the cholesterol content of bile and gallstones, helping them to break down over time. It is a vital therapy for patients managing chronic liver conditions.


Availability
In Stock
Delivery Time
Airmail (14-21 days) | EMS trackable (5-9 days)
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Product Sheet

Active Ingredient(s)
Ursodeoxycholic Acid
Reference Brand
Ursogal
Product Form
Tablets, Capsules, Oral suspension
Regulatory Classification
Rx
Primary Category
Liver health, Gallstone treatment
Product Category
Bile acid preparations, Hepatobiliary duct treatments
Pharmacological Class
Bile acids
Manufacturer Description
A medication used to dissolve certain types of gallstones and manage chronic liver conditions by improving bile flow.
Mechanism of Action
Ursodiol is a naturally occurring bile acid that helps reduce the amount of cholesterol released by the liver into the bile. This helps to dissolve existing cholesterol-rich gallstones and prevents the formation of new ones while improving bile flow in liver disease.
Route of Administration
Oral
Onset Time
Several months for gallstones
Duration
12-24 hours
Contraindications
Acute inflammation of the gallbladder, Frequent biliary colic, Biliary tract obstruction, Calcified gallstones
Severe Adverse Events
Severe right-sided abdominal pain, Worsening of liver scarring, Allergic reaction
Common Side Effects
Soft stools, Nausea, Stomach upset
Uncommon Side Effects
Diarrhoea, Itching, Hives
Drug Interactions
Aluminium-based antacids, Colestyramine, Oral contraceptives
Pregnancy Safety Warnings
Consult a doctor; used only if clearly needed.
Age Restrictions
Adults and children (dose varies by weight)
Storage Guidelines
Store at room temperature away from moisture and heat.
Related Products
Chenodeoxycholic acid

Ursodiol FAQ

Can I take Ursodiol while traveling abroad?

Yes, you can travel with Ursodiol, but keep the tablets in their original packaging with the prescription label visible. Carry a copy of the prescription or a letter from your doctor in case customs or security officials request verification.

Will Ursodiol affect my cholesterol blood test results?

Ursodiol can modestly lower serum cholesterol by reducing the amount of cholesterol secreted into bile. Your clinician may consider this effect when interpreting lipid panels, especially if you are also on cholesterol-lowering therapy.

What do the imprint codes on Ursodiol tablets mean?

The imprint on a 150 mg tablet typically reads “U-150” and on a 300 mg tablet “U-300.” These markings identify the manufacturer and strength, helping pharmacists verify authenticity.

Are there any special considerations for pilots or professional drivers?

Ursodiol does not impair cognition or motor skills. However, if you experience severe gastrointestinal side effects such as diarrhoea, it may be prudent to avoid operating vehicles until symptoms resolve.

How long does it take for gallstones to dissolve with Ursodiol?

Gallstone dissolution is gradual; most patients see a reduction in stone size after 6-12 months of consistent therapy. Complete dissolution may require 2 years or more, and periodic imaging is used to assess progress.

Can I take Ursodiol with a high-fat meal?

Ursodiol may be taken with or without food. Taking it with a meal can lessen stomach upset, but it does not significantly alter absorption.

Is Ursodiol safe for patients with mild renal impairment?

Ursodiol is primarily eliminated via bile, so renal impairment has limited impact on its clearance. Nevertheless, dose adjustments and closer monitoring are recommended for patients with severe kidney disease.

What should I do if I miss several doses?

Contact your prescriber promptly. They may advise restarting at a lower dose and gradually titrating back to the full regimen to reduce the risk of adverse effects.

Does Ursodiol interact with over-the-counter antacids?

Aluminium- or magnesium-containing antacids do not significantly affect ursodiol absorption. However, avoid taking it simultaneously with bile-acid sequestrants such as cholestyramine.

Why is Ursodiol sometimes called “Ursodiol” and other times “Ursodeoxycholic acid”?

“Ursodiol” is the brand-name formulation, while “ursodeoxycholic acid” is the generic name describing the active chemical compound. Both refer to the same therapeutic agent.

What is Ursodiol?

Ursodiol is a prescription-only medication approved by the Medicines and Healthcare products Regulatory Agency (MHRA) in the United Kingdom. It belongs to the Digestive Health therapeutic category and contains the active ingredient ursodeoxycholic acid. The drug is supplied as an oral pill in two strengths: 150 mg and 300 mg. Ursodiol is used primarily to modify the composition of bile, helping to dissolve certain types of gallstones and to treat specific cholestatic liver disorders.

How Ursodiol Works in the Body

Ursodeoxycholic acid is a naturally occurring secondary bile acid. When taken as a medication, it:

  • Reduces the cholesterol concentration in bile - this makes bile less prone to forming cholesterol crystals, the building blocks of many gallstones.
  • Improves the flow of bile by protecting cholangiocytes (bile-duct cells) from the toxic effects of more hydrophobic bile acids.
  • Modulates immune activity in the liver, which helps to slow the progression of primary biliary cholangitis (PBC).

These actions together lower the risk of gallstone formation, promote gradual dissolution of existing cholesterol gallstones, and lessen liver inflammation in cholestatic disease. The drug is absorbed from the gastrointestinal tract, undergoes hepatic conjugation, and is excreted primarily in bile.

Conditions Treated by Ursodiol

Ursodiol is approved in the UK for the following indications:

  • Primary biliary cholangitis (PBC) - a chronic autoimmune disease that damages the small bile ducts within the liver.
  • Dissolution of small cholesterol gallstones in patients who are not suitable candidates for surgical removal and whose gallbladders are functioning normally.

The medication may be prescribed to adults of any age who meet the clinical criteria for these conditions. It is not indicated for routine cholesterol lowering or for preventing gallstones in the general population.

Off-Label and Investigational Uses

No robust, peer-reviewed evidence currently supports routine off-label use of ursodiol in the UK. Research is ongoing in areas such as non-alcoholic fatty liver disease (NAFLD) and certain pediatric cholestatic disorders, but these applications remain investigational. Healthcare providers should discuss any off-label considerations with patients and ensure that use aligns with current clinical guidelines.

Who Should (Not) Use Ursodiol?

Absolute Contraindications

  • Known hypersensitivity to ursodeoxycholic acid or any excipients in the tablet.
  • Complete biliary obstruction (e.g., choledocholithiasis that blocks the common bile duct).
  • Severe, decompensated liver failure (e.g., Child-Pugh class C).

Relative Contraindications

  • Pregnancy and lactation - limited safety data; use only if the potential benefit outweighs the risk.
  • Severe renal impairment - dose adjustment may be required, and careful monitoring is advised.
  • Concurrent use of cholestyramine or colestipol, which can reduce ursodiol absorption.

Special Populations

  • Elderly patients - may require lower initial doses and closer monitoring of liver function.
  • Patients with hepatic impairment - start at the lower end of the dosing range and titrate cautiously.

If any of these conditions apply, a thorough assessment by a qualified healthcare professional is essential before initiating therapy.

Safety Profile: Side Effects and Interactions

Common Side Effects

  • Mild gastrointestinal discomfort (e.g., abdominal pain, nausea).
  • Diarrhoea or loose stools.
  • Flatulence and bloating.

These symptoms are usually transient and may improve with continued treatment.

Serious Adverse Events

  • Hepatic dysfunction - elevation of liver enzymes or bilirubin; requires immediate medical review.
  • Pancreatitis - rare but serious; presents with severe abdominal pain radiating to the back.
  • Allergic reactions - rash, itching, or swelling; discontinue if they occur.

Drug Interactions

  • Cholestyramine, colestipol, and other bile-acid sequestrants - bind ursodiol in the gut, markedly decreasing its absorption. Separate administration by at least 4 hours.
  • Antifungal azoles (e.g., ketoconazole, itraconazole) - may increase plasma levels of ursodiol by inhibiting hepatic metabolism. Monitor for enhanced effects.
  • Warfarin - ursodiol can potentiate anticoagulant activity; periodic INR monitoring is recommended.

Food and Lifestyle Interactions

  • Ursodiol can be taken with or without food; however, taking it with meals may reduce gastrointestinal irritation.
  • No specific restrictions on alcohol, but excessive intake can exacerbate liver disease.
  • No known effect on driving or the operation of machinery.

Patients should always disclose their full medication list, including over-the-counter products and herbal supplements, to their prescriber.

How to Take Ursodiol

  • Standard adult dosing:

  • 300 mg tablets taken twice daily (morning and evening) for a total of 600 mg per day.

  • 150 mg tablets may be used to achieve the same total dose (e.g., four tablets per day).

  • Dose adjustments:

  • For patients weighing less than 50 kg or with mild hepatic impairment, a lower dose (e.g., 300 mg once daily) may be initiated.

  • Dose escalation should be guided by clinical response and liver-function test results.

  • Administration tips:

  • Swallow tablets whole with a glass of water. Crushing or chewing is not recommended.

  • Consistency is important; try to take the medication at the same times each day.

  • Missed dose:

  • Take the missed dose as soon as you remember, unless it is close to the time of the next scheduled dose. Do not double-dose.

  • Overdose:

  • Symptoms may include severe diarrhoea, abdominal pain, and jaundice. Seek emergency medical attention; treatment is primarily supportive.

  • Discontinuation:

  • In most cases, ursodiol can be stopped abruptly, but patients with PBC should discuss tapering with their clinician to avoid rebound cholestasis.

Monitoring and Follow-Up

  • Liver function tests (LFTs) - baseline and then every 3-6 months while on therapy, or more frequently if abnormal results emerge.
  • Serum cholesterol and bilirubin - useful for assessing treatment effectiveness in gallstone dissolution.
  • Clinical assessment - patients should report any new or worsening abdominal pain, jaundice, or signs of allergic reaction promptly.

Regular follow-up appointments enable dose optimization and early detection of adverse effects.

Storage and Handling

  • Store tablets at room temperature (below 30 °C), protected from moisture and direct sunlight.
  • Keep the medication out of reach of children.
  • Do not use tablets after the expiry date printed on the packaging.
  • Dispose of unused tablets according to local pharmacy return schemes or the instructions on the label.

Medication-Specific Glossary

Bile Acid
A component of bile that aids in the digestion and absorption of dietary fats. Ursodeoxycholic acid is a hydrophilic bile acid used therapeutically to modify bile composition.
Cholesterol Supersaturation
A state in which bile contains more cholesterol than can be kept dissolved, leading to crystal formation and gallstone development. Ursodiol reduces supersaturation by lowering the cholesterol fraction.
Primary Biliary Cholangitis (PBC)
An autoimmune disease that progressively destroys the small bile ducts in the liver, causing cholestasis, fatigue, and eventually cirrhosis. Ursodiol slows disease progression by improving bile flow and protecting liver cells.

Medical Disclaimer

This article provides educational information about Ursodiol and is not a substitute for professional medical advice. Treatment decisions, including use for unapproved indications, must be made under the guidance of a qualified healthcare provider. The content is intended for informational purposes and does not constitute medical recommendations. Always consult a physician before starting, stopping, or changing any medication regimen.

Information for Ursodiol is sourced from established medical standards and updated frequently. It is provided for general guidance and should be confirmed with a healthcare professional before use.
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