Product image of Levodopa/Carbidopa/Entacapon G.L. Pharma (Entacapone, Levodopa, Carbidopa Monohydrate) supplied by GNH India

Levodopa/Carbidopa/Entacapon G.L. Pharma

Active Ingredient:
Entacapone, Levodopa, Carbidopa Monohydrate
Origin:
EU

Levodopa/Carbidopa/Entacapon G.L. Pharma (Entacapone, Levodopa, Carbidopa Monohydrate)

Entacapone, the active ingredient in Levodopa/Carbidopa/Entacapone G.L. Pharma, is an antiparkinson agent presented as an oral tablet for oral use. It is combined with levodopa and carbidopa to treat Parkinson's disease and motor fluctuations in patients with Parkinson's disease.

GNH India supplies Levodopa/Carbidopa/Entacapone G.L. Pharma as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory documentation for global distribution.

Manufacturer / TM Owner

G.L. Pharma Gmbh

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Indications & Clinical Uses

Levodopa/Carbidopa/Entacapone is used in the management of Parkinsonian disorders, targeting motor symptoms and fluctuations.

  • Parkinson's disease: improves overall motor function by increasing central dopamine availability.
  • Motor fluctuations in Parkinson's disease: reduces off‑time and extends on‑time periods.
  • Parkinsonian tremor: helps control tremor and rigidity associated with the disease.

How It Works

  • Levodopa crosses the blood‑brain barrier and is converted to dopamine in the central nervous system. Carbidopa inhibits peripheral aromatic L‑amino acid decarboxylase, preventing premature conversion of levodopa and increasing its cerebral availability. Entacapone blocks catechol‑O‑methyltransferase (COMT), reducing peripheral levodopa metabolism and prolonging its therapeutic effect, together providing sustained dopaminergic stimulation.

Side Effects

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

Common Side Effects

  • Nausea: upset stomach and feeling of sickness.
  • Dizziness: light‑headedness, especially when standing quickly.
  • Headache: mild to moderate head pain.
  • Insomnia: difficulty falling or staying asleep.

Serious or Rare Side Effects

  • Severe hypotension: marked drop in blood pressure that can cause fainting.
  • Dyskinesia: involuntary, erratic movements that may be disabling.
  • Hepatic dysfunction: abnormal liver enzymes or liver injury.
  • Allergic reactions: rash, swelling, or anaphylaxis.

Precautions & Warnings

Before initiating therapy, several safety considerations should be reviewed.

  • Monitor blood pressure: watch for orthostatic hypotension, especially during dose titration.
  • Assess liver function: entacapone can affect hepatic enzymes; periodic testing is advised.
  • Evaluate psychiatric status: the medication may exacerbate hallucinations or confusion.
  • Review concomitant MAO‑B inhibitors: combined use can increase risk of hypertensive events.
  • Store at ambient temperature: keep below 25°C, protect from moisture and keep in original packaging.

Avoid Interactions

Levodopa/Carbidopa/Entacapone can interact with other medicines, requiring attention to avoid harmful effects.

Major Interactions (Avoid)

  • Non‑selective MAO inhibitors: may cause hypertensive crisis when combined.
  • Anticholinergic agents: can increase confusion and cognitive impairment.

Moderate Interactions (Monitor Closely)

  • Antihypertensive drugs: additive blood‑pressure lowering effect.
  • SSRIs or SNRIs: potential for serotonin syndrome.
  • Iron or calcium supplements: may reduce levodopa absorption if taken simultaneously.

Frequently Asked Questions

Levodopa/Carbidopa/Entacapone is prescribed to manage the motor symptoms of Parkinson's disease and to reduce motor fluctuations such as "off" periods. It combines a dopamine precursor with agents that increase its availability in the brain, helping improve movement, stiffness, and tremor in affected patients.

The formulation works on three levels: levodopa is converted to dopamine in the brain, carbidopa blocks peripheral conversion of levodopa so more reaches the central nervous system, and entacapone inhibits the COMT enzyme, slowing levodopa breakdown outside the brain. This synergy provides more stable and prolonged dopaminergic stimulation.

Dosage is individualized and determined by the prescribing clinician based on disease severity, patient response, and tolerability. The prescriber will adjust the amount and frequency to achieve optimal control of Parkinsonian symptoms while minimizing side effects.

Safety data in pregnancy and lactation are limited, and the product is classified as having an unknown pregnancy category. It should only be used if the potential benefit justifies the potential risk to the fetus or infant, and the decision must be made by a qualified healthcare professional.

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 (including any cold‑chain requirements) and assistance with import documentation.

Standard levodopa/carbidopa provides dopamine replacement but is metabolized quickly, leading to "off" periods. Adding entacapone inhibits COMT, extending levodopa’s half‑life and smoothing out motor fluctuations. This can reduce the number of daily doses needed and improve overall symptom control compared with levodopa/carbidopa alone.

The tablets should be stored at ambient temperature, preferably below 25 °C, in their original container to protect from moisture and light. Keep the product out of reach of children and do not use if the packaging is damaged or the tablets appear discolored.

Levodopa/Carbidopa/Entacapone is taken orally with a full glass of water. It is usually administered several times a day, with or without food, as directed by the prescriber. Swallow the tablet whole; do not crush or chew unless specifically instructed.

Serious risks include severe hypotension, dyskinesia (involuntary movements), hepatic dysfunction, and rare allergic reactions such as anaphylaxis. Patients should be monitored for sudden drops in blood pressure, abnormal liver tests, and any signs of severe skin rash or breathing difficulty.

The medication is contraindicated in patients with known hypersensitivity to levodopa, carbidopa, entacapone, or any excipients. It should also be avoided in individuals taking non‑selective MAO inhibitors due to the risk of hypertensive crisis, and in patients with severe liver disease without careful medical supervision.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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