Product image of Levodopa/Carbidopa Mylan (Levodopa, Anhydrous Carbidopa) supplied by GNH India

Levodopa/Carbidopa Mylan

Active Ingredient:
Levodopa, Anhydrous Carbidopa
Origin:
EU

Levodopa/Carbidopa Mylan (Levodopa, Anhydrous Carbidopa)

Levodopa/Carbidopa, the active ingredients in Levodopa/Carbidopa Mylan, are Antiparkinson agents presented as an oral tablet for oral use. It treats Parkinson's disease and Parkinsonian syndrome in adults.

GNH India supplies Levodopa/Carbidopa Mylan as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Mylan B.V.

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Indications & Clinical Uses

Levodopa/Carbidopa is used in the management of Parkinsonian disorders, acting to restore central dopamine levels.

  • Parkinson's disease: improves motor symptoms such as bradykinesia, rigidity and tremor.
  • Parkinsonian syndrome: reduces rigidity and improves gait stability.
  • Levodopa‑responsive motor fluctuations: provides more consistent symptom control during off‑periods.

How It Works

  • Levodopa crosses the blood‑brain barrier and is decarboxylated to dopamine, replenishing depleted central dopamine stores. Carbidopa inhibits peripheral aromatic L‑amino acid decarboxylase, preventing peripheral conversion of levodopa, thereby increasing its availability to the brain and reducing peripheral side effects.

Side Effects

Levodopa/Carbidopa may cause a range of adverse reactions, from mild to serious.

Common Side Effects

  • Nausea: upset stomach often occurring after the first doses.
  • Dizziness: may be related to orthostatic changes.
  • Headache: transient and usually mild.
  • Insomnia: difficulty falling or staying asleep.

Serious or Rare Side Effects

  • Dyskinesia: involuntary, erratic movements that can be disabling.
  • Psychiatric disturbances: hallucinations, confusion or mood changes.
  • Severe hypertension: sudden rise in blood pressure, especially with certain drug combinations.

Precautions & Warnings

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

  • Dose titration: start low and increase gradually to minimise adverse effects.
  • Monitor for dyskinesia: adjust therapy if involuntary movements develop.
  • Assess renal and hepatic function: dose modification may be required in impairment.
  • Avoid abrupt discontinuation: sudden stop can cause withdrawal symptoms.
  • Store at ambient temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Levodopa/Carbidopa can interact with several medication classes, requiring careful management.

Major Interactions (Avoid)

  • Non‑selective MAO inhibitors: risk of hypertensive crisis.
  • Anticholinergic drugs: may mask motor symptom changes.
  • High‑protein meals: reduce levodopa absorption.

Moderate Interactions (Monitor Closely)

  • SSRIs/SNRIs: may increase risk of serotonin syndrome.
  • Diuretics: can enhance orthostatic hypotension.
  • Antihypertensives: may potentiate blood‑pressure‑lowering effects.

Frequently Asked Questions

Levodopa/Carbidopa Mylan is prescribed to manage the motor symptoms of Parkinson's disease and Parkinsonian syndrome. By increasing dopamine levels in the brain, it helps reduce tremor, rigidity, and bradykinesia, improving patients' daily functioning.

Levodopa is a precursor that crosses the blood‑brain barrier and is converted into dopamine, the neurotransmitter deficient in Parkinson's disease. Carbidopa blocks peripheral conversion, ensuring more levodopa reaches the brain and minimizing peripheral side effects.

The exact dosage and dosing schedule are determined by the prescribing clinician based on the individual patient's condition, response, and tolerability. Patients should follow the prescriber's instructions and not adjust the dose on their own.

Safety data for Levodopa/Carbidopa 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, and under close medical supervision.

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

Levodopa/Carbidopa is considered the most effective symptomatic therapy for Parkinson's disease, directly replenishing dopamine. Other classes, such as dopamine agonists or MAO‑B inhibitors, may be used as adjuncts or in early disease, but they generally provide less robust motor improvement than levodopa‑based regimens.

Store the tablets at ambient temperature, below 25 °C, in the original container. Keep them away from excess moisture and direct sunlight to maintain product stability throughout its shelf life.

Levodopa/Carbidopa Mylan is taken orally, usually with a glass of water. It may be taken with or without food, but high‑protein meals can interfere with absorption, so clinicians often advise spacing the dose from protein‑rich meals.

Serious risks include the development of dyskinesias (involuntary movements), psychiatric effects such as hallucinations or confusion, and rare hypertensive crises when combined with certain monoamine oxidase inhibitors. Patients should be monitored regularly for these complications.

Patients with known hypersensitivity to levodopa, carbidopa, or any excipients should avoid the product. It is also contraindicated in individuals taking non‑selective MAO inhibitors or those with narrow‑angle glaucoma, unless specifically directed by a physician.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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