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

Levodopa/Carbidopa/Entacapone Eg

Active Ingredient:
Carbidopa, Entacapone, Levodopa
Origin:
EU

Levodopa/Carbidopa/Entacapone Eg (Carbidopa, Entacapone, Levodopa)

Levodopa/Carbidopa/Entacapone, the active ingredient in Levodopa/Carbidopa/Entacapone Eg, is an Antiparkinson agent presented as an oral tablet for oral use. It is indicated for the management of Parkinson's disease, helping to restore dopamine levels in the brain and improve motor function in adult patients.

GNH India supplies Levodopa/Carbidopa/Entacapone Eg as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, with a focus on quality assurance, regulatory compliance, and reliable global logistics.

Manufacturer / TM Owner

Eurogenerics N.V./S.A.

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Indications & Clinical Uses

Levodopa/Carbidopa/Entacapone is used in the Parkinson's disease therapeutic pathway to improve dopaminergic control.

  • Parkinson's disease: improves overall motor symptoms and reduces rigidity and bradykinesia.
  • Parkinson's disease with motor fluctuations: decreases OFF time and smooths dopamine delivery.
  • Early‑stage Parkinson's disease: delays the need for higher levodopa doses and supports sustained symptom control.
  • Parkinson's disease with dyskinesia: balances levodopa levels to lessen dyskinesia severity.
  • Parkinson's disease requiring combination therapy: provides a multi‑mechanistic approach for enhanced efficacy.

How It Works

  • Levodopa crosses the blood‑brain barrier and is converted to dopamine, restoring deficient neurotransmission in Parkinson's disease. Carbidopa inhibits peripheral aromatic L‑amino acid decarboxylase, reducing levodopa conversion outside the brain and increasing central availability. Entacapone blocks peripheral catechol‑O‑methyltransferase (COMT), prolonging levodopa plasma half‑life and enhancing its clinical effect.

Side Effects

Levodopa/Carbidopa/Entacapone may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Nausea: feeling of stomach upset that may lead to vomiting.
  • Dizziness: light‑headedness, especially when standing quickly.
  • Orthostatic hypotension: drop in blood pressure upon standing.
  • Insomnia: difficulty falling or staying asleep.

Serious or Rare Side Effects

  • Hallucinations: visual or auditory disturbances that can affect perception.
  • Severe dyskinesia: uncontrolled involuntary movements that may be disabling.
  • Neuroleptic malignant syndrome: rare but life‑threatening reaction with fever and muscle rigidity.

Precautions & Warnings

When prescribing Levodopa/Carbidopa/Entacapone, clinicians should observe several precautionary measures to ensure patient safety.

  • Monitor blood pressure: watch for orthostatic changes, especially in the elderly.
  • Assess psychiatric status: be vigilant for hallucinations or confusion.
  • Evaluate renal function: adjust therapy if significant impairment is present.
  • Avoid abrupt discontinuation: taper under medical supervision to prevent withdrawal.
  • Store at room temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Levodopa/Carbidopa/Entacapone interacts with several drug classes; awareness of these interactions helps optimize therapy.

Major Interactions (Avoid)

  • MAO‑B inhibitors: risk of hypertensive crisis.
  • Non‑selective MAO inhibitors: may cause severe hypertension.
  • Anticholinergics: can mask Parkinsonian symptoms.
  • Ipecac syrup: increases nausea risk.

Moderate Interactions (Monitor Closely)

  • Antihypertensives: additive hypotensive effect.
  • SSRIs/SNRIs: potential for serotonin syndrome.
  • Iron supplements: reduce levodopa absorption; separate dosing by at least two hours.

Frequently Asked Questions

Levodopa/Carbidopa/Entacapone is prescribed to manage Parkinson's disease. It helps restore dopamine levels in the brain, improving motor symptoms such as tremor, rigidity, and bradykinesia, and can reduce periods when medication effects wear off.

The combination works by delivering levodopa, a dopamine precursor, to the brain while carbidopa blocks its peripheral conversion, increasing central availability. Entacapone further inhibits COMT, extending levodopa’s half‑life and enhancing its therapeutic effect.

Dosage is individualized and set by the prescribing clinician based on disease severity, patient response, and tolerability. The prescriber determines the appropriate strength, frequency, and any dose adjustments needed over time.

Safety in pregnancy and lactation has not been fully established. The medication should only be used if the potential benefit justifies the potential risk to the fetus or infant, and this decision must be made by a qualified healthcare professional.

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 reduces peripheral metabolism, allowing lower levodopa doses and more stable plasma levels. This can lead to fewer motor fluctuations and a different side‑effect profile than other dopamine agonists or mono‑therapy regimens.

Store the tablets at room temperature, below 25 °C, in the original container. Protect them from moisture and direct sunlight to maintain potency throughout the shelf life.

The medication is taken orally, usually with food to reduce gastrointestinal upset. Tablets should be swallowed whole with a full glass of water unless otherwise directed by the prescriber.

Serious risks include hallucinations, severe dyskinesia, and rare events such as neuroleptic malignant syndrome. Patients should be monitored closely for any sudden changes in mental status, uncontrolled movements, or fever with muscle rigidity.

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 or those with severe hepatic impairment without specialist guidance.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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