GNH USA

Europe — EMA

Madopar

GNH USA supplies Madopar (Levodopa, Benserazide), a dopamine precursor and dopa decarboxylase inhibitor 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 and dopa decarboxylase inhibitor presented as an oral tablet for oral use. It treats Parkinson's disease and Parkinsonian syndrome in adult patients who require symptomatic motor control.

GNH USA supplies Madopar as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, providing reliable access to this EU‑market product.

What is Benserazide Hydrochloride, Levodopa used for?

Madopar is used in the management of movement disorders that respond to dopaminergic therapy. - Parkinson's disease: improves motor symptoms such as bradykinesia, rigidity and tremor. - Parkinsonian syndrome: provides symptomatic relief of similar motor deficits. - Secondary parkinsonism: offers clinical benefit when dopamine deficiency contributes to the presentation.

What are the side effects of Benserazide Hydrochloride, Levodopa?

Madopar may cause a range of adverse reactions, from mild to severe.

Common Side Effects: - Nausea: often occurs early in therapy. - Dizziness or light‑headedness: related to orthostatic changes. - Headache: transient and usually mild. - Insomnia: may affect sleep quality.

Serious or Rare Side Effects: - Dyskinesia: involuntary movements that can be disabling. - Psychiatric disturbances: hallucinations, confusion or depression. - Severe hypotension: sudden drop in blood pressure requiring medical attention. - Allergic reactions: rash, swelling or anaphylaxis in rare cases.

What precautions apply to Benserazide Hydrochloride, Levodopa?

When prescribing Madopar, clinicians should consider several safety measures. - Assess renal function: adjust therapy in severe impairment. - Monitor for dyskinesia: modify dose if excessive movements develop. - Screen psychiatric history: watch for hallucinations or mood changes. - Avoid abrupt discontinuation: taper under medical supervision to prevent withdrawal. - Use with food: may lessen gastrointestinal irritation. - Store at ambient temperature: keep in the original pack, protect from moisture.

What does Benserazide Hydrochloride, Levodopa interact with?

Madopar can interact with other medicines, requiring careful management.

Major Interactions (Avoid): - Non‑selective MAO inhibitors: risk of hypertensive crisis. - Pyridoxine (vitamin B6): reduces levodopa efficacy. - Dopamine‑blocking antipsychotics: diminish therapeutic effect.

Moderate Interactions (Monitor Closely): - Antihypertensive agents: may enhance blood‑pressure lowering. - Iron or calcium supplements: can impair levodopa absorption if taken simultaneously.

Frequently asked questions

What is Madopar used for?+
Madopar is prescribed to manage the motor symptoms of Parkinson's disease and related Parkinsonian syndromes. By increasing dopamine levels in the brain, it helps reduce stiffness, tremor, and slowness of movement, improving daily functioning for patients with these neurodegenerative conditions.
How does levodopa and benserazide work in Madopar?+
Levodopa is a dopamine precursor that crosses the blood‑brain barrier and is converted into dopamine, restoring deficient neurotransmission. Benserazide inhibits peripheral aromatic L‑amino acid decarboxylase, preventing levodopa’s premature conversion outside the brain, thereby enhancing central availability and reducing peripheral side effects.
What is the usual dose of Madopar?+
The appropriate dose of Madopar is individualized by the prescribing clinician based on disease severity, patient response, and tolerability. Dosage regimens vary widely, and adjustments are made during treatment to achieve optimal symptom control while minimizing adverse effects.
Is Madopar safe during pregnancy or breastfeeding?+
The safety of Madopar in pregnancy and lactation has not been definitively established. It should only be used if the potential benefit justifies the potential risk to the fetus or infant, and decisions are made in consultation with a qualified healthcare professional.
How do I order Madopar from GNH USA?+
To request 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 necessary import documentation.
How does Madopar compare with other antiparkinson agents?+
Madopar combines levodopa with benserazide, offering higher central levodopa availability than levodopa alone. Compared with dopamine agonists, it provides more potent symptom relief but may have a higher risk of motor complications such as dyskinesia. Choice of therapy depends on individual patient factors and treatment goals.
What are the storage and handling requirements for Madopar?+
Madopar tablets should be stored at ambient temperature, below 25 °C, in their original packaging to protect from moisture and light. Keep the product out of reach of children and avoid storing in humid or excessively hot environments.
How is Madopar administered?+
Madopar is taken orally, usually with a glass of water. It may be administered with food to reduce gastrointestinal upset, but patients should follow the specific timing instructions provided by their prescriber to maintain consistent plasma levels.
What are the most serious risks associated with Madopar?+
Serious risks include the development of dyskinesia (involuntary movements), severe hypotension, psychiatric disturbances such as hallucinations, and rare allergic reactions. Patients should be monitored regularly for these events, and any concerning symptoms should prompt immediate medical evaluation.
Who should not use Madopar?+
Madopar is contraindicated in patients with known hypersensitivity to levodopa, benserazide, or any excipients, and in individuals taking non‑selective MAO inhibitors. Caution is also advised for patients with severe cardiovascular disease, narrow‑angle glaucoma, or a history of malignant neuroleptic syndrome.
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 Austria Gmbh
Origin
EU

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