GNH USA

Europe — EMA

Madopar

GNH USA supplies Madopar (Levodopa and Benserazide), a dopamine precursor ant‑Parkinson agent for Parkinson's disease and Parkinsonian syndrome.

Benserazide Hydrochloride, Levodopa

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What is Benserazide Hydrochloride, Levodopa?

Levodopa and Benserazide, the active ingredient in Madopar, is a dopamine precursor / dopa decarboxylase inhibitor combination presented as a oral tablet for oral use. It treats Parkinson's disease and Parkinsonian syndrome in adults.

GNH USA supplies Madopar as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

What is Benserazide Hydrochloride, Levodopa used for?

Madopar is indicated for disorders of the dopaminergic system, primarily Parkinsonian conditions.

- Parkinson's disease: improves motor symptoms such as bradykinesia, rigidity and tremor. - Parkinsonian syndrome: alleviates motor deficits caused by secondary Parkinsonism. - Rest tremor associated with Parkinsonism: reduces tremor amplitude and frequency.

What are the side effects of Benserazide Hydrochloride, Levodopa?

Adverse reactions may occur with Madopar use.

Common Side Effects: - Nausea - Vomiting - Orthostatic hypotension - Dyskinesia - Dry mouth - Drowsiness

Serious or Rare Side Effects: - Neuroleptic malignant‑like syndrome - Severe psychiatric reactions such as hallucinations or psychosis - Cardiac arrhythmias, including ventricular tachycardia - Hyperpyrexia - Severe allergic reactions (anaphylaxis)

What precautions apply to Benserazide Hydrochloride, Levodopa?

Careful monitoring and individualized dosing are essential when prescribing Madopar.

- Dose titration: start low and increase gradually under medical supervision. - Cardiovascular monitoring: watch for hypotension and arrhythmias. - Psychiatric assessment: monitor for hallucinations or mood changes. - Renal/hepatic function: adjust dose if severe impairment is present. - Drug interactions: review concomitant medications for MAO‑B inhibitors. - Store at ambient temperature: keep below 25°C in the original pack, protect from moisture.

What does Benserazide Hydrochloride, Levodopa interact with?

Madopar can interact with several drug classes; some require avoidance while others need close monitoring.

Major Interactions (Avoid): - Non‑selective MAO inhibitors: risk of hypertensive crisis. - Antipsychotics (e.g., haloperidol): may reduce therapeutic effect. - High‑dose pyridoxine: may diminish levodopa absorption.

Moderate Interactions (Monitor Closely): - Antihypertensives: may enhance orthostatic hypotension. - Iron or calcium supplements: can reduce levodopa bioavailability. - SSRIs or SNRIs: may increase risk of serotonin syndrome.

Frequently asked questions

What is Madopar used for?+
Madopar is prescribed to manage the motor symptoms of Parkinson's disease and related Parkinsonian syndromes. It helps improve tremor, rigidity, bradykinesia, and overall movement control by replenishing dopamine levels in the brain.
How does levodopa and benserazide work?+
Levodopa is a precursor that crosses the blood‑brain barrier and is converted into dopamine, restoring deficient neurotransmission. Benserazide inhibits peripheral dopa decarboxylase, preventing premature conversion of levodopa outside the brain and increasing the amount that reaches central nervous tissue.
What is the usual dose of Madopar?+
The appropriate dose of Madopar is individualized. A prescriber determines the starting amount and any titration schedule based on the patient’s clinical response, age, disease severity, and tolerability. Dosage adjustments are made under professional supervision.
Is Madopar safe in pregnancy or breastfeeding?+
Safety data for Madopar during pregnancy and lactation are limited, and the product is generally classified as contraindicated or to be used only if the potential benefit outweighs the risk. Healthcare providers usually avoid prescribing it to pregnant or nursing women unless absolutely necessary.
How do I order Madopar from GNH USA?+
To order Madopar, submit an enquiry on the product page at gnh-usa.com, specifying the required quantity. GNH USA works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any required import documentation.
How does Madopar compare with other Parkinson's drugs?+
Madopar combines levodopa with benserazide, offering higher central availability of levodopa compared with levodopa alone. Compared with dopamine agonists, it provides more potent symptomatic relief but may have a higher risk of motor complications. Choice of therapy depends on disease stage, patient age and side‑effect profile.
How should Madopar be stored and handled?+
Madopar tablets should be stored at ambient temperature, preferably below 25 °C. Keep them in the original container, protect from moisture and direct sunlight, and keep out of reach of children.
How is Madopar administered?+
Madopar is taken orally as a tablet, usually with a glass of water. It can be taken with or without food, but a consistent routine helps maintain stable plasma levels. Patients should follow the prescriber’s instructions regarding timing and any dose‑splitting.
What are the most serious risks to watch for while taking Madopar?+
Serious risks include neuroleptic malignant‑like syndrome, severe psychiatric disturbances such as hallucinations or psychosis, and cardiac arrhythmias. Patients should seek immediate medical attention if they experience high fever, muscle rigidity, confusion, severe mood changes, or irregular heartbeats.
Who should not use Madopar?+
Madopar is contraindicated in patients with known hypersensitivity to levodopa, benserazide, or any excipients, and in those taking non‑selective MAO inhibitors. Caution is advised for individuals with severe cardiovascular disease, uncontrolled hypertension, or a history of malignant hyperthermia.
Information provided on this page is for educational use by procurement and clinical professionals. Always consult a licensed healthcare provider for medical advice and prescribing decisions. GNH USA supplies this product subject to applicable regulatory and licensing requirements.

Product details

Drug
Benserazide Hydrochloride, Levodopa
Route
Oral Use
Manufacturer
Roche (Hellas) Sa
Origin
EU

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