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

Metadon Ep

Active Ingredient:
Methadone Hydrochloride
Origin:
EU

Metadon Ep (Methadone Hydrochloride)

Methadone Hydrochloride, the active ingredient in Metadon Ep, is an opioid agonist presented as an oral formulation for oral use. It is employed to manage opioid dependence and to provide analgesia for chronic pain in adult patients.

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

Manufacturer / TM Owner

Extractumpharma Co.Ltd.

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Indications & Clinical Uses

  • Methadone Hydrochloride is used in the management of conditions involving opioid receptors and chronic pain control.
  • Opioid dependence: stabilizes patients and reduces withdrawal symptoms.
  • Chronic pain: provides long‑acting analgesia for persistent severe pain.
  • Opioid withdrawal syndrome: suppresses acute withdrawal signs during detoxification.
  • Palliative care: delivers effective analgesia for severe cancer‑related pain.

How It Works

  • Methadone Hydrochloride acts as a full agonist at the mu‑opioid receptor, binding with high affinity and activating the receptor to produce analgesia and diminish the perception of pain. By occupying these receptors, it also mitigates the neurochemical surge associated with opioid withdrawal, thereby reducing cravings and withdrawal discomfort in dependent individuals.

Side Effects

Methadone Hydrochloride may cause a range of adverse reactions, varying in frequency and severity.

Common Side Effects

  • Nausea: mild to moderate stomach upset.
  • Constipation: reduced bowel motility.
  • Drowsiness: increased sedation, especially after dose initiation.
  • Sweating: excessive perspiration.
  • Dry mouth: reduced salivation.
  • Weight gain: increased appetite leading to weight increase.

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.
  • Adrenal insufficiency: impaired cortisol production.

Precautions & Warnings

  • When prescribing Methadone Hydrochloride, clinicians should consider several safety measures.
  • Assess cardiac risk: evaluate QT interval before initiating therapy.
  • Monitor respiratory status: especially in opioid‑naïve or compromised patients.
  • Avoid use in severe hepatic impairment: dose adjustment may be required.
  • Use caution in pregnancy: limited data, weigh benefits versus potential fetal risks.
  • Concomitant CNS depressants: increased sedation and respiratory depression risk.
  • Store at ambient temperature: keep below 25°C, in the original container, and protect from moisture.

Avoid Interactions

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

Major Interactions (Avoid)

  • Other full opioid agonists: additive respiratory depression.
  • CNS depressants (benzodiazepines, barbiturates): heightened sedation and respiratory risk.
  • Strong CYP3A4 inhibitors (ketoconazole, erythromycin): increased methadone plasma levels.

Moderate Interactions (Monitor Closely)

  • CYP3A4 inducers (rifampin, carbamazepine): reduced methadone efficacy.
  • Serotonergic agents (SSRIs, tramadol): potential serotonin syndrome.
  • QT‑prolonging drugs (haloperidol, sotalol): additive cardiac arrhythmia risk.

Frequently Asked Questions

Metadon Ep contains methadone hydrochloride and is used primarily to treat opioid dependence and to provide long‑acting analgesia for chronic pain. It helps stabilize patients undergoing opioid substitution therapy and can also be employed in palliative care for severe pain management.

Methadone hydrochloride is a full agonist at the mu‑opioid receptor. By binding to this receptor, it activates analgesic pathways to relieve pain and suppresses the neurochemical changes that cause opioid withdrawal, thereby reducing cravings and withdrawal symptoms.

The appropriate dose of Metadon Ep is individualized and determined by the prescribing clinician based on the patient’s medical condition, prior opioid exposure, and response to therapy. Dosage adjustments are made during treatment to achieve optimal therapeutic effect while minimizing adverse reactions.

Safety data for methadone hydrochloride in pregnancy and lactation are limited. Use during pregnancy should only occur when the potential benefit justifies the potential risk to the fetus, and breastfeeding decisions should be made in consultation with a healthcare professional.

To order Metadon Ep, 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.

Compared with shorter‑acting opioids such as morphine, methadone has a longer half‑life, allowing once‑daily dosing for maintenance therapy. Its oral bioavailability and ability to suppress withdrawal make it a cornerstone of opioid substitution programs, though it requires careful cardiac monitoring due to QT‑prolongation risk.

Metadon Ep should be stored at ambient temperature, preferably below 25°C. Keep the product in its original packaging, protect it from moisture, and store it out of direct sunlight to maintain stability and potency.

Metadon Ep is administered orally, typically as a tablet or oral solution taken with water. The exact route and formulation depend on the prescribing information and the patient’s ability to swallow or absorb the medication.

The most serious risks include respiratory depression, which can be fatal if not promptly recognized, and cardiac arrhythmias due to QT interval prolongation. Patients should be monitored closely for signs of these conditions, especially during dose initiation or adjustment.

Metadon Ep is contraindicated in individuals with known hypersensitivity to methadone, those with severe respiratory insufficiency, and patients with uncontrolled cardiac arrhythmias. Caution is also advised for patients with significant hepatic impairment or those taking interacting medications.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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