Product image of Levodopa/Carbidopa/Entacapone Rivopharm (Carbidopa, Entacapone, Levodopa) supplied by GNH India

Levodopa/Carbidopa/Entacapone Rivopharm

Active Ingredient:
Carbidopa, Entacapone, Levodopa
Origin:
EU

Levodopa/Carbidopa/Entacapone Rivopharm (Carbidopa, Entacapone, Levodopa)

Levodopa/Carbidopa/Entacapone, the active ingredient in Levodopa/Carbidopa/Entacapone Rivopharm, is an antiparkinson agent presented as a tablet for oral administration. It combines three pharmacological components to increase central dopamine levels and is indicated for the treatment of Parkinson's disease in adult patients. It is formulated to be taken multiple times daily, allowing flexible dosing adjusted by the prescribing physician.

GNH India supplies Levodopa/Carbidopa/Entacapone Rivopharm as a licensed, Good Distribution Practice‑compliant product, providing reliable international sourcing for hospitals, pharmacies and clinical centres worldwide, with support for regulatory documentation and logistics, ensuring product integrity throughout the supply chain.

Manufacturer / TM Owner

Rivopharm Ltd

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Indications & Clinical Uses

Levodopa/Carbidopa/Entacapone is used within the Parkinson's disease therapeutic pathway to enhance dopaminergic therapy.

  • Parkinson's disease (motor fluctuations): Reduces off‑time and improves motor symptom control when combined with levodopa.
  • Parkinson's disease (early‑stage adjunct therapy): Provides symptomatic benefit as part of initial combination treatment.
  • Parkinson's disease (advanced disease with wearing‑off): Extends levodopa effect and stabilizes dopamine levels.

How It Works

  • Levodopa is absorbed and crosses the blood‑brain barrier where it is decarboxylated to dopamine. Carbidopa inhibits peripheral aromatic L‑amino acid decarboxylase, preventing levodopa breakdown outside the brain and increasing central availability. Entacapone blocks catechol‑O‑methyltransferase (COMT), slowing levodopa metabolism, prolonging its plasma half‑life, and enhancing dopaminergic stimulation in the central nervous system.

Side Effects

Levodopa/Carbidopa/Entacapone may cause a range of adverse reactions.

Common Side Effects

  • Nausea
  • Vomiting
  • Dyskinesia (involuntary movements)
  • Orthostatic hypotension
  • Dizziness or light‑headedness
  • Insomnia

Serious or Rare Side Effects

  • Severe hypotension or syncope
  • Neuroleptic malignant syndrome
  • Severe allergic reactions (rash, angioedema, anaphylaxis)
  • Hyperpyrexia
  • Severe depression or suicidal thoughts
  • Hallucinations or psychosis

Precautions & Warnings

When prescribing Levodopa/Carbidopa/Entacapone, clinicians should consider several safety measures.

  • Monitor blood pressure: watch for orthostatic changes, especially at therapy initiation.
  • Assess for dyskinesia: adjust dosage if excessive involuntary movements develop.
  • Review psychiatric status: monitor for depression, hallucinations, or suicidal ideation.
  • Avoid abrupt discontinuation: taper under medical supervision to prevent withdrawal effects.
  • Use with caution in renal or hepatic impairment: dose may require adjustment based on organ function.
  • Store at ambient temperature: keep below 25°C, protect from moisture and light.

Avoid Interactions

Levodopa/Carbidopa/Entacapone interacts with several drug classes; awareness helps prevent adverse outcomes.

Major Interactions (Avoid)

  • Non‑selective MAO inhibitors: risk of hypertensive crisis.
  • Anticholinergic agents: may diminish levodopa efficacy.
  • High‑dose pyridoxine (vitamin B6): interferes with carbidopa activity.

Moderate Interactions (Monitor Closely)

  • Antihypertensive medications: additive hypotensive effect.
  • SSRIs or SNRIs: potential for serotonin syndrome.
  • Iron or calcium supplements: reduce levodopa absorption if taken concurrently.

Frequently Asked Questions

Levodopa/Carbidopa/Entacapone is prescribed to manage the motor symptoms of Parkinson's disease in adult patients. It is used as an adjunct to levodopa therapy to reduce off‑time, improve symptom control, and extend the duration of dopaminergic effect.

The combination works by delivering levodopa, which is converted to dopamine in the brain, while carbidopa blocks peripheral conversion of levodopa, increasing its availability to the central nervous system. Entacapone inhibits the COMT enzyme, slowing levodopa breakdown and prolonging its therapeutic action.

The specific dose and dosing schedule are determined by the prescribing physician based on the individual’s disease stage, response to therapy, and other clinical factors. Patients should follow the prescriber’s instructions and not adjust the dose without medical guidance.

Safety data for use in pregnancy and lactation are limited, and the product is generally classified as contraindicated or to be used only if the potential benefit justifies the potential risk. Women who are pregnant, planning pregnancy, or breastfeeding should discuss risks with their healthcare provider.

To place an order, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details, and any necessary import documentation.

Compared with levodopa alone, the addition of carbidopa and entacapone improves central dopamine delivery and extends the drug’s half‑life, reducing off‑periods. It offers a more stable symptom control than some other adjuncts, but individual response varies, and choice of therapy depends on patient‑specific factors.

The tablets should be stored at ambient temperature, preferably below 25 °C, in the original packaging to protect them from moisture and light. Keep the product out of reach of children and avoid storing in humid or excessively hot environments.

Levodopa/Carbidopa/Entacapone is taken orally, usually with food to reduce gastrointestinal discomfort. The tablets are swallowed whole with a full glass of water, and the dosing frequency is determined by the prescriber based on therapeutic response.

Serious risks include severe hypotension, neuroleptic malignant syndrome, severe allergic reactions, and psychiatric effects such as depression, hallucinations, or suicidal thoughts. Patients should be monitored closely for these events, and any concerning symptoms should prompt immediate medical evaluation.

Patients with known hypersensitivity to levodopa, carbidopa, entacapone, or any excipients should avoid the product. It is also contraindicated in individuals taking non‑selective MAO inhibitors. Caution is advised in patients with severe cardiovascular disease, hepatic impairment, or a history of psychiatric disorders.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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