GNH USA

Europe — EMA

Madopar

GNH USA supplies Madopar (Levodopa/Benserazide), an antiparkinson agent for Parkinson's disease and Parkinsonian syndrome. Request a quote for global supply.

Benserazide Hydrochloride, Levodopa

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What is Benserazide Hydrochloride, Levodopa?

Levodopa/Benserazide, the active ingredient in Madopar, is an antiparkinson agent presented as oral tablets for oral use. It combines levodopa, a dopamine precursor, with benserazide, a peripheral decarboxylase inhibitor, to increase central dopamine levels and is used to manage motor symptoms in patients with Parkinson's disease and related Parkinsonian syndromes.

GNH USA supplies Madopar as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable logistics for global distribution.

What is Benserazide Hydrochloride, Levodopa used for?

Madopar, an antiparkinson combination of levodopa and benserazide, is indicated for several dopaminergic‑responsive movement disorders where restoring central dopamine improves motor function. - Parkinson's disease: reduces bradykinesia, rigidity, tremor and motor fluctuations, leading to improved daily activities and quality of life. - Parkinsonian syndrome: alleviates motor deficits such as stiffness and slowed movements that arise from secondary Parkinsonism, drug‑induced parkinsonism, or vascular causes. - Levodopa‑responsive dystonia: provides symptomatic relief of sustained muscle contractions by enhancing central dopamine levels, thereby reducing abnormal posturing.

What are the side effects of Benserazide Hydrochloride, Levodopa?

Madopar may cause a range of adverse reactions, which are grouped by frequency and clinical significance.

Common Side Effects: - Nausea: feeling of stomach upset, often occurring at treatment initiation. - Dizziness: light‑headed sensation that may worsen when standing quickly. - Orthostatic hypotension: drop in blood pressure upon standing, causing faintness. - Insomnia: difficulty falling or staying asleep.

Serious or Rare Side Effects: - Dyskinesia: involuntary, erratic movements that can be disabling. - Hallucinations: visual or auditory disturbances, especially in older patients. - Severe hypotension or cardiac arrhythmias: potentially life‑threatening blood pressure drops or irregular heart rhythms.

What precautions apply to Benserazide Hydrochloride, Levodopa?

When prescribing Madopar, clinicians should observe several precautionary measures to ensure safe use. - Dose titration: start with a low dose and increase gradually to minimize side effects. - Monitor for dyskinesia: watch for involuntary movements that may develop with chronic therapy. - Assess renal and hepatic function: adjust therapy in patients with impaired organ function. - Avoid abrupt discontinuation: sudden stop can precipitate worsening Parkinsonism or neuroleptic malignant‑like syndrome. - Use with food: taking the tablet with meals can reduce gastrointestinal irritation. - Store at room temperature: keep in the original container, protect from moisture and light.

What does Benserazide Hydrochloride, Levodopa interact with?

Madopar interacts with several medicines; understanding the level of interaction helps guide safe co‑administration.

Major Interactions (Avoid): - Non‑selective MAO inhibitors (e.g., phenelzine): can cause hypertensive crisis when combined with levodopa. - Antipsychotics that block dopamine receptors (e.g., haloperidol): reduce therapeutic effect and may worsen Parkinsonism. - High‑dose pyridoxine (vitamin B6): accelerates peripheral conversion of levodopa, diminishing central availability.

Moderate Interactions (Monitor Closely): - Antihypertensive agents: additive blood‑pressure lowering may increase risk of orthostatic hypotension. - Selective serotonin reuptake inhibitors (SSRIs): may enhance serotonergic activity, requiring monitoring for serotonin syndrome. - Other dopaminergic drugs (e.g., dopamine agonists): may increase risk of dyskinesia and require dose adjustments.

Frequently asked questions

What is Madopar used for?+
Madopar is an oral combination of levodopa and benserazide indicated for the treatment of Parkinson's disease and other Parkinsonian syndromes. It helps improve motor symptoms such as bradykinesia, rigidity, and tremor by restoring dopamine levels in the brain.
How does levodopa/benserazide work?+
Levodopa serves as a precursor that crosses the blood‑brain barrier and is converted into dopamine within the central nervous system. Benserazide inhibits peripheral aromatic L‑amino‑acid decarboxylase, preventing levodopa from being metabolised outside the brain, thereby increasing the amount that reaches neuronal tissue.
What determines the usual dose of Madopar?+
The appropriate dose of Madopar is individualized and set by a qualified prescriber based on the patient’s disease stage, response to therapy, age, and any co‑existing medical conditions. Dosing regimens are adjusted gradually to balance symptom control with tolerability.
Is Madopar safe during pregnancy or breastfeeding?+
Safety data for Madopar in pregnancy and lactation are limited. It should only be used if the potential benefit to the mother outweighs any possible risk to the fetus or infant, and the decision must be made by a 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 drugs?+
Madopar combines levodopa with a peripheral decarboxylase inhibitor, offering more efficient brain delivery than levodopa alone. Compared with dopamine agonists, it generally provides stronger symptom relief but may have a higher incidence of motor complications such as dyskinesia. Choice of therapy depends on individual patient factors and physician judgment.
What are the recommended storage conditions for Madopar?+
Madopar tablets should be stored at room temperature, below 25 °C, in the original blister pack or container. Protect them from excess moisture, heat and direct sunlight to maintain potency throughout the shelf life.
How is Madopar administered?+
Madopar is taken orally, usually with a glass of water. It can be taken with or without food, although taking it with meals may reduce gastrointestinal upset. The tablet should be swallowed whole and not crushed or chewed unless specifically directed by a prescriber.
What are the most serious risks to watch for while using Madopar?+
Serious adverse reactions include dyskinesia (involuntary movements), hallucinations, severe orthostatic hypotension, and rare cardiac arrhythmias. Patients should be monitored for sudden changes in mood, behavior, or cardiovascular status, and any concerning symptoms should be reported to a healthcare professional promptly.
Who should not use Madopar?+
Madopar is contraindicated in individuals with known hypersensitivity to levodopa, benserazide, or any excipients, as well as patients with narrow‑angle glaucoma. Caution is also advised for those with severe cardiovascular disease, liver or kidney impairment, and for patients taking non‑selective MAO inhibitors.
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 Nederland B.V.
Origin
EU

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