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

Metadon Abcur

Active Ingredient:
Methadone Hydrochloride
Origin:
EU

Metadon Abcur (Methadone Hydrochloride)

Methadone, the active ingredient in Metadon Abcur, is an opioid analgesic presented as an oral formulation for oral use. It treats opioid dependence and severe chronic pain in adults.
GNH India supplies Metadon Abcur as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Abcur Ab

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Indications & Clinical Uses

Methadone is used in the management of opioid‑related disorders and chronic pain conditions.

  • Opioid dependence: provides maintenance therapy that reduces withdrawal symptoms and cravings.
  • Severe chronic pain: offers long‑acting analgesia for patients requiring continuous opioid control.
  • Opioid substitution therapy: facilitates transition from illicit opioids to a regulated, safer medication regimen.

How It Works

  • Methadone acts as a full agonist at the mu‑opioid receptors in the central nervous system, producing analgesia and suppressing opioid withdrawal. It also blocks NMDA receptors and inhibits reuptake of serotonin and norepinephrine, contributing to its efficacy in pain modulation and dependence treatment.

Side Effects

Methadone may cause a range of adverse reactions that vary in frequency and severity.

Common Side Effects

  • Constipation: reduced bowel motility leading to hard stools.
  • Nausea: feeling of sickness often occurring after dosing.
  • Dizziness: light‑headed sensation, especially on standing.
  • Sweating: excessive perspiration unrelated to temperature.

Serious or Rare Side Effects

  • Respiratory depression: slowed breathing that can be life‑threatening.
  • QT interval prolongation: cardiac electrical disturbance increasing arrhythmia risk.
  • Severe hypotension: marked drop in blood pressure causing faintness.
  • Adrenal insufficiency: inadequate cortisol production leading to fatigue and electrolyte imbalance.

Precautions & Warnings

When prescribing methadone, clinicians should observe several safety measures.

  • Cardiac risk assessment: obtain baseline ECG to evaluate QT interval.
  • Respiratory monitoring: watch for signs of hypoventilation, especially during initiation.
  • Hepatic impairment adjustment: reduce dose in patients with liver dysfunction.
  • Contraindication in acute respiratory depression: avoid use in patients with compromised breathing.
  • 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)

  • Central nervous system depressants (e.g., benzodiazepines, alcohol): increase risk of respiratory depression.
  • Strong CYP3A4 inhibitors (e.g., ketoconazole, erythromycin): raise methadone plasma levels.
  • QT‑prolonging agents (e.g., haloperidol, quinidine): heighten arrhythmia potential.

Moderate Interactions (Monitor Closely)

  • CYP2B6 inducers (e.g., rifampin): may lower methadone concentrations.
  • Certain antidepressants (e.g., SSRIs): can affect methadone metabolism and sedation levels.

Frequently Asked Questions

Metadon Abcur contains methadone and is employed for opioid dependence maintenance therapy and for the management of severe chronic pain in adult patients. It helps reduce withdrawal symptoms, cravings, and provides long‑acting analgesia when other treatments are insufficient.

Methadone binds to mu‑opioid receptors in the central nervous system, acting as a full agonist to produce analgesia and suppress opioid withdrawal. It also blocks NMDA receptors and inhibits reuptake of serotonin and norepinephrine, which contributes to its effectiveness in pain control and dependence treatment.

The appropriate dose of Metadon Abcur is individualized and must be determined by a qualified prescriber based on the patient’s clinical condition, prior opioid exposure, and response to therapy. Dosage adjustments are made according to therapeutic goals and safety considerations.

Safety data for methadone in pregnancy and lactation are limited. It may be used when the benefits outweigh potential risks, but clinicians should closely monitor both mother and infant. Breastfeeding while on methadone is generally permitted under medical supervision, with attention to infant sedation.

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 any necessary import documentation.

Methadone is a full mu‑opioid receptor agonist, offering stronger analgesia and a longer half‑life, while buprenorphine is a partial agonist with a ceiling effect on respiratory depression. Choice depends on patient history, treatment setting, and risk profile; methadone may be preferred for high‑dose opioid dependence, whereas buprenorphine is often used when safety concerns are paramount.

Metadon Abcur should be stored at ambient temperature, below 25 °C, in its original packaging. Protect the product from moisture, direct sunlight, and extreme temperatures to maintain potency and stability throughout its shelf life.

Metadon Abcur is administered orally, typically as a tablet or liquid taken with water. The exact form and dosing schedule are prescribed by the treating clinician and should be followed precisely to ensure therapeutic effectiveness and safety.

The most serious risks include respiratory depression, especially during treatment initiation or dose escalation, and cardiac arrhythmias due to QT interval prolongation. Patients should be monitored closely for signs of slowed breathing, fainting, or irregular heart rhythms, and any concerning symptoms should prompt immediate medical evaluation.

Metadon Abcur is contraindicated in individuals with known hypersensitivity to methadone, those experiencing acute respiratory depression, or patients with uncontrolled severe asthma. Caution is also advised for patients with significant cardiac conduction abnormalities, severe hepatic impairment, or who are taking interacting medications listed under major interactions.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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