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L-Ornithine L-Aspartate: Brands, Price & Uses in Bangladesh

L-Ornithine L-Aspartate is an amino acid combination used primarily to lower elevated blood ammonia levels and manage its consequences in patients with liver disease.

Forms:IV InjectionOral PowderSachetTablet

About L-Ornithine L-Aspartate

Indications of L-Ornithine L-Aspartate

L-Ornithine L-Aspartate is an amino acid combination used primarily to lower elevated blood ammonia levels and manage its consequences in patients with liver disease.

Established / guideline-supported uses

  • Hepatic encephalopathy (acute and chronic, including latent/minimal hepatic encephalopathy): L-Ornithine L-Aspartate is used as an adjunct, together with standard measures such as lactulose, dietary protein adjustment, and correction of precipitating factors, to reduce blood ammonia and improve mental status.
  • Hyperammonemia associated with liver disease: used to reduce elevated ammonia levels resulting from impaired hepatic urea-cycle function.

Commonly used adjunct/supportive indications (regional practice, variable evidence quality)

  • Liver cirrhosis with impaired liver function
  • Fatty liver disease and alcoholic liver damage, as supportive therapy
  • Supportive recovery after acute viral hepatitis

L-Ornithine L-Aspartate is not a substitute for treatment of the underlying liver disease and is not approved as a stand-alone cure for cirrhosis or hepatitis; it is used as adjunctive therapy alongside standard hepatology care.

Dosage & Administration of L-Ornithine L-Aspartate

Oral (granules/powder sachets, tablets)

IndicationAdult dose
Hepatic encephalopathy / hyperammonemia (maintenance/oral therapy)1–2 sachets (3 g each) or equivalent tablet dose, dissolved in a glass of water or other fluid, taken 2–3 times daily, preferably with or after meals

Intravenous infusion (for acute/severe hepatic encephalopathy)

SeverityAdult IV dose
Standard1–4 ampoules (5 g/10 mL each) per day, diluted in compatible IV fluid
Severe hepatic encephalopathy (e.g., coma/precoma)Up to 4 ampoules diluted in 500 mL IV fluid, infused over several hours; total daily dose generally should not exceed 20 g (4 ampoules) unless directed by the treating physician for severe cases

Maximum recommended infusion rate is approximately 5 g/hour to reduce the risk of nausea and vomiting. Do not administer as a rapid IV bolus/injection.

Dose and duration should always be individualized by the treating physician based on ammonia levels, severity of hepatic encephalopathy, and clinical response. See Use in Special Populations for renal/hepatic considerations.

Side Effects of L-Ornithine L-Aspartate

L-Ornithine L-Aspartate is generally well tolerated. Reported side effects are usually mild and transient:

  • Common: Nausea and vomiting, especially with rapid intravenous infusion — reducing the infusion rate typically resolves this.
  • Less common: Mild gastrointestinal discomfort, abdominal pain, or diarrhea with oral use.
  • Rare: Hypersensitivity-type skin reactions (rash, itching).

If severe or persistent side effects occur, discontinue L-Ornithine L-Aspartate and consult a physician.

Contraindications of L-Ornithine L-Aspartate

L-Ornithine L-Aspartate is contraindicated in:

  • Severe renal impairment or renal failure — because L-Ornithine L-Aspartate increases the production of urea and other nitrogenous byproducts that must be excreted by the kidneys, patients with severely impaired renal excretory function may accumulate these byproducts, worsening azotemia.
  • Known hypersensitivity to L-Ornithine L-Aspartate or any component of the formulation.

Frequently Asked Questions about L-Ornithine L-Aspartate

What is L-Ornithine L-Aspartate used for?

L-Ornithine L-Aspartate is mainly used to lower elevated blood ammonia levels and to treat or prevent hepatic encephalopathy (confusion and altered mental state caused by liver disease). It is also used as supportive therapy in cirrhosis, fatty liver, and hyperammonemia.

Can I take L-Ornithine L-Aspartate if I have kidney problems?

L-Ornithine L-Aspartate should not be used in patients with severe renal impairment or renal failure, because it increases the amount of urea and nitrogen waste that the kidneys must remove, which can worsen kidney-related problems. Tell your doctor about any kidney disease before starting L-Ornithine L-Aspartate, and your renal function may need to be monitored during treatment.

Is L-Ornithine L-Aspartate safe during pregnancy or breastfeeding?

Data on L-Ornithine L-Aspartate use during pregnancy and breastfeeding are limited. It should only be used in pregnancy or while breastfeeding if your doctor decides it is clearly needed and the potential benefit outweighs the potential risk. Always consult your physician before using L-Ornithine L-Aspartate in these situations.

What are the common side effects of L-Ornithine L-Aspartate?

L-Ornithine L-Aspartate is generally well tolerated. The most commonly reported side effects are mild nausea and vomiting, particularly if the intravenous infusion is given too quickly. These effects are usually transient and improve if the infusion rate is slowed.

How is L-Ornithine L-Aspartate taken?

L-Ornithine L-Aspartate oral sachets are dissolved in a glass of water or other fluid and taken 2–3 times daily, preferably with or after meals. In hospital settings for more severe liver disease, L-Ornithine L-Aspartate may instead be given as a slow intravenous infusion under medical supervision.

Does L-Ornithine L-Aspartate cure liver disease?

No. L-Ornithine L-Aspartate does not cure the underlying liver disease. It is used as an adjunct treatment to help lower ammonia and manage symptoms like hepatic encephalopathy, alongside other standard treatments (such as lactulose and treatment of the underlying cause) prescribed by your doctor.

Disclaimer

The information provided is accurate to the best of our knowledge, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy, and the absence of specific information about a drug should not be taken as an endorsement. We are not responsible for any consequences arising from this information, so please consult a healthcare professional for any concerns or questions.

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