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

Metadon Molteni

Active Ingredient:
Methadone Hydrochloride
Origin:
EU

Metadon Molteni (Methadone Hydrochloride)

Methadone Hydrochloride, the active ingredient in Metadon Molteni, is an opioid analgesic 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 undergoing treatment. Its pharmacological profile supports both maintenance therapy for opioid use disorder and long‑term pain control when other options are insufficient. The medication is regulated as a prescription product and is distributed under strict pharmaceutical quality standards within the European Union market.

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

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 is used in opioid‑related pathways for dependence treatment and pain management.

  • Opioid Use Disorder: stabilizes patients, reduces cravings and withdrawal intensity.
  • Withdrawal Management: alleviates acute withdrawal symptoms during detoxification.
  • Chronic Pain: provides long‑acting analgesia when other opioids are insufficient.
  • Post‑operative Pain: offers sustained analgesia for patients with high opioid tolerance.

How It Works

  • Methadone Hydrochloride acts as a full agonist at the central mu‑opioid receptors, mimicking endogenous opioids to inhibit nociceptive transmission. By binding these receptors, it decreases neuronal excitability and suppresses the release of neurotransmitters involved in pain and withdrawal pathways. Its long half‑life provides prolonged receptor activation, allowing once‑daily dosing for maintenance therapy and continuous analgesia.

Side Effects

Methadone Hydrochloride may cause a range of adverse reactions, which are grouped by frequency and severity.

Common Side Effects

  • Constipation: reduced gastrointestinal motility leading to hard stools.
  • Nausea: sensation of queasiness often occurring after dosing.
  • Drowsiness: increased sleepiness or reduced alertness.
  • Sweating: excessive perspiration unrelated to temperature.

Serious or Rare Side Effects

  • Respiratory depression: slowed or shallow breathing that can be life‑threatening.
  • QT interval prolongation: cardiac electrical disturbance increasing arrhythmia risk.
  • Severe hypotension: marked drop in blood pressure causing dizziness or fainting.

Precautions & Warnings

When prescribing Methadone Hydrochloride, clinicians should observe several safety measures to minimize risk.

  • Assess opioid tolerance: evaluate patient history and prior opioid exposure before initiating therapy.
  • Monitor respiratory function: observe for signs of depression, especially after dose changes or in combination with other depressants.
  • Avoid abrupt discontinuation: taper the dose gradually to prevent precipitated withdrawal.
  • Use caution in hepatic impairment: adjust dosing as methadone metabolism may be reduced.
  • Store at ambient temperature: keep in the original container, protect from moisture and light.

Avoid Interactions

Methadone Hydrochloride interacts with several drug classes; awareness of these interactions helps prevent adverse outcomes.

Major Interactions (Avoid)

  • Concomitant CNS depressants (e.g., benzodiazepines): risk of profound respiratory depression.
  • QT‑prolonging agents (e.g., quinidine, sotalol): increased likelihood of cardiac arrhythmias.

Moderate Interactions (Monitor Closely)

  • CYP3A4 inhibitors (e.g., erythromycin, fluconazole): may raise methadone plasma levels.
  • CYP3A4 inducers (e.g., rifampin, carbamazepine): may lower methadone effectiveness.
  • Selective serotonin reuptake inhibitors: potential for serotonin syndrome when combined.

Frequently Asked Questions

Metadon Molteni contains methadone hydrochloride and is prescribed for two primary therapeutic purposes: the treatment of opioid dependence, where it helps suppress withdrawal symptoms and cravings, and the management of chronic pain, providing long‑acting analgesia when other opioid options are inadequate.

Methadone Hydrochloride works by binding to mu‑opioid receptors in the central nervous system as a full agonist. This activation blocks pain signals and reduces the neuronal activity that drives opioid withdrawal, resulting in analgesia and stabilization of patients with opioid use disorder.

The appropriate dose of Metadon Molteni is individualized for each patient. A qualified prescriber determines the starting amount, titration schedule, and maintenance dose based on clinical assessment, treatment goals, and patient response. No fixed regimen is provided here.

Safety data for methadone use in pregnancy and lactation are limited. Methadone may be prescribed when the benefits outweigh potential risks, but clinicians must evaluate maternal health, fetal development, and neonatal outcomes. Breastfeeding decisions should be made in consultation with a healthcare professional.

To order Metadon Molteni, 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 (including any cold‑chain requirements), and necessary import documentation.

Both methadone (Metadon Molteni) and buprenorphine are used for opioid dependence, but methadone is a full mu‑opioid agonist offering stronger analgesia and a longer half‑life, while buprenorphine is a partial agonist with a ceiling effect that reduces overdose risk. Choice depends on patient history, treatment setting, and clinician judgment.

Metadon Molteni should be stored at ambient temperature, preferably below 25 °C. Keep the product in its original packaging, protect it from moisture, direct sunlight, and excessive heat. Ensure the container is tightly closed to maintain stability.

Metadon Molteni is administered orally. The tablet or oral formulation should be swallowed whole with a full glass of water. It is not intended for crushing, chewing, or sublingual use, and dosing intervals are determined by the prescribing clinician.

The most serious risks include respiratory depression, which can be life‑threatening, especially when combined with other central nervous system depressants; QT interval prolongation, which may lead to cardiac arrhythmias; and severe hypotension. Patients should be monitored closely for these events, particularly during dose adjustments.

Metadon Molteni should be avoided in individuals with known hypersensitivity to methadone or any excipients, patients with severe respiratory depression, uncontrolled asthma, or acute pulmonary conditions, and those taking medications that significantly prolong the QT interval without appropriate monitoring. Contraindications must be confirmed by a qualified healthcare professional.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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