GNH USA

Europe — EMA

Madopar

GNH USA supplies Madopar (Levodopa / Benserazide), a dopamine precursor with dopa decarboxylase inhibitor for Parkinson's disease and Parkinsonian syndrome.

Benserazide Hydrochloride, Levodopa

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What is Benserazide Hydrochloride, Levodopa?

Levodopa / Benserazide, the active ingredient in Madopar, is a dopamine precursor with dopa decarboxylase inhibitor presented as an oral tablet for oral use. It treats Parkinson's disease and related Parkinsonian syndromes 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 (Levodopa/Benserazide) is used in the management of Parkinsonian disorders by restoring central dopamine levels.

- Parkinson's disease: reduces motor symptoms such as bradykinesia, rigidity and tremor. - Parkinsonian syndrome: improves overall motor function and daily activity performance. - Levodopa‑responsive Parkinsonism: provides symptomatic relief by increasing central dopamine.

What are the side effects of Benserazide Hydrochloride, Levodopa?

Common Side Effects: - Nausea - Vomiting - Dizziness or light‑headedness - Orthostatic hypotension - Headache - Insomnia

Serious or Rare Side Effects: - Dyskinesia (involuntary movements) - Hallucinations or severe confusion - Severe orthostatic hypotension leading to falls - Cardiac arrhythmias - Neuroleptic malignant‑like syndrome - Anaphylactic or severe allergic reactions

What precautions apply to Benserazide Hydrochloride, Levodopa?

When prescribing Madopar, clinicians should consider several safety measures. - Dose titration: start low and increase gradually to balance efficacy and tolerability. - Monitor for dyskinesia: adjust dose if involuntary movements appear. - Cardiovascular assessment: watch for orthostatic hypotension and arrhythmias. - Caution in narrow‑angle glaucoma: avoid exacerbation of intra‑ocular pressure. - Use carefully in hepatic or renal impairment: dose may require adjustment. - Store at ambient temperature: keep in the original pack, protect from moisture.

What does Benserazide Hydrochloride, Levodopa interact with?

Madopar may interact with several medicines that affect dopamine pathways or metabolism.

Major Interactions (Avoid): - Non‑selective MAO inhibitors (e.g., phenelzine): risk of hypertensive crisis. - Antipsychotics with strong D2 antagonism (e.g., haloperidol): may block therapeutic effect. - High‑dose pyridoxine (vitamin B6): accelerates peripheral levodopa metabolism. - MAO‑B inhibitors (e.g., selegiline) in high doses: potential for severe hypertension.

Moderate Interactions (Monitor Closely): - Antihypertensive agents: may enhance orthostatic hypotension. - SSRIs or SNRIs: monitor for serotonin syndrome. - Iron or calcium supplements: can reduce levodopa absorption; separate dosing by at least 2 hours. - Anticholinergics: may mask early signs of dopaminergic side effects. - Carbonic anhydrase inhibitors (e.g., acetazolamide): may increase plasma levodopa levels.

Frequently asked questions

What is Madopar used for?+
Madopar is prescribed to manage the motor symptoms of Parkinson's disease and other Parkinsonian syndromes. By increasing dopamine levels in the brain, it helps reduce tremor, stiffness, slowness of movement, and improves overall functional ability in patients with dopaminergic deficiency.
How does Levodopa work in Madopar?+
Levodopa is a precursor that crosses the blood‑brain barrier and is converted into dopamine, the neurotransmitter lacking in Parkinsonian conditions. Benserazide, included in the formulation, blocks peripheral conversion of levodopa, ensuring more reaches the brain and reducing peripheral side effects.
What is the usual dose of Madopar?+
The specific dose of Madopar is individualized by the prescribing clinician based on disease severity, patient age, and response. Dosage regimens can vary widely, and adjustments are made to achieve optimal symptom control while minimizing adverse effects.
Is Madopar safe during pregnancy or breastfeeding?+
Safety data for Madopar in pregnancy and lactation are limited, and the product carries an unknown pregnancy category. It should only be used if the potential benefit justifies the potential risk to the fetus or infant, and decisions must be made by a qualified healthcare professional.
How do I order Madopar from GNH USA?+
To place an order, submit an enquiry on the Madopar product page at gnh-usa.com, indicating 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 medications?+
Madopar combines levodopa with benserazide, offering higher central availability of levodopa compared with levodopa alone. Compared with dopamine agonists, it generally provides stronger symptomatic relief but may have a higher risk of motor complications such as dyskinesia. Choice of therapy depends on individual patient factors and treatment goals.
How should Madopar be stored and handled?+
Madopar tablets should be stored at ambient temperature, below 25 °C, in the original container to protect from moisture and light. Keep the product out of reach of children and avoid storing in bathrooms or other humid environments.
How is Madopar administered?+
Madopar is taken orally, usually with a glass of water. It may be taken with or without food, but patients are advised to avoid high‑protein meals close to dosing times, as protein can interfere with levodopa absorption.
What are the most serious risks to watch for while taking Madopar?+
Serious risks include the development of dyskinesia, severe orthostatic hypotension, psychiatric disturbances such as hallucinations or confusion, and rare but life‑threatening conditions like neuroleptic malignant‑like syndrome. Patients should report sudden mood changes, uncontrolled movements, or fainting episodes to their healthcare provider promptly.
Who should not use Madopar?+
Madopar is contraindicated in patients with known hypersensitivity to levodopa, benserazide, or any excipients, as well as those taking non‑selective MAO inhibitors. Caution is advised for individuals with narrow‑angle glaucoma, severe cardiovascular disease, or significant hepatic or renal impairment, and it should be avoided in such cases unless specifically directed by a physician.
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 Polska Sp. Z.O.O.
Origin
EU

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