Product image of Metharose Sugar Free (Methadone Hydrochloride Ph. Eur.) supplied by GNH India

Metharose Sugar Free

Active Ingredient:
Methadone Hydrochloride Ph. Eur.
Origin:
EU

Metharose Sugar Free (Methadone Hydrochloride Ph. Eur.)

Methadone, the active ingredient in Metharose Sugar Free, is an opioid agonist presented as an oral formulation for oral use. It is employed in the management of opioid dependence and chronic pain, providing analgesia and reducing withdrawal symptoms in adults.

GNH India supplies Metharose Sugar Free as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Rosemont Pharmaceuticals Limited

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Indications & Clinical Uses

Methadone is used in the opioid pathway to treat dependence and pain conditions.

  • Opioid dependence: suppresses withdrawal symptoms and supports maintenance therapy.
  • Chronic pain: provides long‑acting analgesia for severe, persistent pain.
  • Opioid substitution therapy: replaces illicit opioids with a controlled, medically supervised alternative.

How It Works

  • Methadone acts as a full agonist at the mu‑opioid receptor, binding with high affinity to activate the receptor and inhibit neuronal transmission of pain signals. This activation also mitigates the neurochemical changes associated with opioid withdrawal, stabilizing the central nervous system and reducing cravings.

Side Effects

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

Common Side Effects

  • Constipation: reduced gastrointestinal motility.
  • Nausea: mild to moderate upset stomach.
  • Drowsiness: increased sedation.
  • Dry mouth: reduced salivation.
  • Sweating: excessive perspiration.
  • Light‑headedness: transient dizziness.

Serious or Rare Side Effects

  • Respiratory depression: slowed breathing, potentially life‑threatening.
  • Cardiac arrhythmia: QT interval prolongation.
  • Severe hypotension: marked drop in blood pressure.
  • Allergic reactions: rash, itching, or anaphylaxis.
  • Seizures: rare convulsive episodes.
  • Hepatotoxicity: liver enzyme elevation or injury.

Precautions & Warnings

Methadone requires careful monitoring and adherence to safety guidelines.

  • Dose titration: adjust gradually under medical supervision.
  • Concomitant CNS depressants: avoid or use with caution.
  • Cardiac monitoring: assess QT interval in at‑risk patients.
  • Pregnancy: weigh benefits against potential fetal risk.
  • Breastfeeding: consider infant exposure and monitor.
  • Store at ambient temperature: keep below 25°C in the original container, protect from moisture and light.

Avoid Interactions

Methadone interacts with several drug classes that may alter its safety or efficacy.

Major Interactions (Avoid)

  • CYP3A4 inhibitors (e.g., ketoconazole): increase methadone levels, risk of toxicity.
  • CYP2D6 inhibitors (e.g., fluoxetine): may raise plasma concentrations.
  • Other opioids or CNS depressants: additive respiratory depression.

Moderate Interactions (Monitor Closely)

  • CYP3A4 inducers (e.g., rifampin): reduce effectiveness, may require dose adjustment.
  • Antidepressants (e.g., sertraline): monitor for serotonin syndrome.
  • Anticonvulsants (e.g., carbamazepine): may lower methadone levels.
  • Benzodiazepines: increase sedation, monitor closely.

Frequently Asked Questions

Metharose Sugar Free contains methadone, which is prescribed to manage opioid dependence and to provide long‑acting analgesia for chronic, severe pain. It helps suppress withdrawal symptoms and stabilizes patients undergoing opioid substitution therapy.

Methadone acts as a full agonist at the mu‑opioid receptors in the central nervous system. By binding to these receptors, it blocks pain signals and reduces the neurochemical drive that causes opioid cravings and withdrawal, providing both analgesic and maintenance effects.

The appropriate dose of Metharose Sugar Free is determined individually by a qualified prescriber based on the patient’s clinical condition, prior opioid exposure, and response to therapy. Dosage adjustments are made under medical supervision.

Methadone is classified as Pregnancy Category C, indicating that potential benefits may justify use despite possible risks. It can cross the placenta and be present in breast milk; therefore, treatment decisions should involve a healthcare professional weighing maternal benefits against fetal or infant exposure.

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

Methadone has a long half‑life and provides stable plasma levels, which can reduce dosing frequency compared with shorter‑acting opioids like morphine. Its oral formulation allows convenient administration, but it requires careful cardiac monitoring due to QT prolongation risk, a consideration less prominent with some alternatives.

Store Metharose Sugar Free at ambient temperature, below 25 °C. Keep the product in its original packaging, protect it from moisture and direct sunlight, and ensure the container is tightly closed to maintain stability.

Metharose Sugar Free is taken orally, usually as a tablet or oral solution, as directed by the prescribing clinician. The dose is swallowed with water and should be taken at the same times each day to maintain consistent blood levels.

The most serious risks include respiratory depression, especially when combined with other CNS depressants, and cardiac arrhythmias due to QT interval prolongation. Patients should be monitored for signs of severe sedation, breathing difficulties, or irregular heart rhythms.

Metharose Sugar Free is contraindicated in individuals with known hypersensitivity to methadone, severe respiratory insufficiency, or uncontrolled cardiac arrhythmias. It should also be used with caution in patients with significant liver impairment or those taking interacting medications.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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