Product image of Methadone Hydrochloride Molteni (Methadone Hydrochloride) supplied by GNH India

Methadone Hydrochloride Molteni

Active Ingredient:
Methadone Hydrochloride
Origin:
EU

Methadone Hydrochloride Molteni (Methadone Hydrochloride)

Methadone hydrochloride, the active ingredient in Methadone Hydrochloride Molteni, is a synthetic opioid presented as an oral formulation for oral use. It is employed in the management of opioid dependence and in the treatment of chronic pain in adult patients, and is marketed in the European Union under strict regulatory standards.

GNH India supplies Methadone Hydrochloride Molteni as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, providing reliable sourcing and regulatory documentation for global procurement and ensuring timely delivery.

Manufacturer / TM Owner

L. Molteni And C. Dei F.Lli Alitti Società Di Esercizio S.P.A.

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Indications & Clinical Uses

Methadone hydrochloride acts on the opioid system to address dependence and pain conditions.

  • Opioid dependence: reduces withdrawal symptoms and cravings, facilitating maintenance therapy.
  • Chronic pain: provides long‑acting analgesia for persistent moderate to severe pain.
  • Opioid substitution therapy: maintains stable opioid plasma levels to prevent relapse.

How It Works

  • Methadone hydrochloride is a full agonist at the µ‑opioid receptor, binding with high affinity to activate the receptor and produce analgesia while also suppressing the neurochemical pathways that generate opioid withdrawal symptoms. Its long half‑life allows once‑daily dosing, stabilizing opioid receptor activity over extended periods.

Side Effects

Methadone hydrochloride may cause a range of adverse reactions.

Common Side Effects

  • Nausea: mild to moderate stomach upset.
  • Constipation: reduced bowel motility.
  • Sweating: increased perspiration, especially at night.
  • Drowsiness: feeling unusually sleepy or fatigued.

Serious or Rare Side Effects

  • Respiratory depression: slowed breathing that can be life‑threatening.
  • QT interval prolongation: risk of cardiac arrhythmias.
  • Severe hypotension: marked drop in blood pressure.

Precautions & Warnings

When prescribing methadone, clinicians should consider several safety measures.

  • Assess cardiac risk: evaluate QT interval before initiating therapy.
  • Monitor respiratory function: especially during dose titration and in patients with pulmonary disease.
  • Avoid abrupt discontinuation: taper under medical supervision to prevent withdrawal.
  • Use caution in hepatic impairment: adjust dose as needed due to altered metabolism.
  • Store at ambient temperature: keep 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)

  • Concomitant CNS depressants: risk of profound respiratory depression.
  • QT‑prolonging agents: increased risk of cardiac arrhythmia.
  • MAO inhibitors: may precipitate severe hypotension.

Moderate Interactions (Monitor Closely)

  • Anticholinergics: may worsen constipation.
  • CYP3A4 inhibitors (e.g., ketoconazole): increase methadone plasma levels.
  • CYP3A4 inducers (e.g., rifampin): reduce methadone efficacy.

Frequently Asked Questions

Methadone Hydrochloride Molteni is used primarily for the treatment of opioid dependence and for managing chronic pain in adult patients. It helps reduce withdrawal symptoms, cravings, and provides long‑acting analgesia as part of a supervised maintenance program.

Methadone hydrochloride works by acting as a full agonist at the µ‑opioid receptors in the central nervous system. This activation produces analgesia and suppresses the neurochemical pathways that cause opioid withdrawal, while its long half‑life allows stable plasma concentrations with once‑daily dosing.

The dose of Methadone Hydrochloride Molteni is individualized and set by the prescribing clinician based on the patient’s clinical condition, prior opioid exposure, and response to therapy. Dosage adjustments are made under medical supervision to achieve optimal therapeutic effect while minimizing adverse reactions.

Methadone can be used during pregnancy when the benefits outweigh potential risks, as abrupt opioid withdrawal can harm both mother and fetus. However, it crosses the placenta and is excreted in breast milk, so close monitoring by a healthcare professional is essential. Decisions should be made on a case‑by‑case basis.

To 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, confirming trade or institutional credentials before providing pricing, availability, shipping details, and any necessary import documentation.

Methadone is a full µ‑opioid receptor agonist offering strong suppression of withdrawal and cravings, whereas buprenorphine is a partial agonist with a ceiling effect on respiratory depression. Methadone generally requires daily supervised dosing, while buprenorphine can be prescribed for take‑home use, but individual response and treatment setting guide selection.

Methadone Hydrochloride Molteni should be stored at ambient temperature, below 25 °C, in its original packaging to protect it from moisture and light. Keep the product out of reach of children and do not store in areas with excessive heat or humidity.

The medication is administered orally, typically as a tablet or liquid formulation, and should be taken exactly as prescribed. Patients should swallow the tablet whole with water and avoid crushing or chewing unless directed by a healthcare professional.

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 closely for signs of slowed breathing, fainting, or irregular heartbeats, and any concerning symptoms should prompt immediate medical attention.

Methadone should not be used by individuals with known hypersensitivity to methadone or any of its excipients, those with uncontrolled severe respiratory disease, or patients taking certain QT‑prolonging medications without careful monitoring. It is also contraindicated in patients with acute severe asthma or severe obstructive airway disease.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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