Product image of Methadon Hcl Expharma (Methadone Hydrochloride) supplied by GNH India

Methadon Hcl Expharma

Active Ingredient:
Methadone Hydrochloride
Origin:
EU

Methadon Hcl Expharma (Methadone Hydrochloride)

Methadone Hydrochloride, the active ingredient in Methadon Hcl Expharma, is an opioid agonist presented as an oral tablet for oral use. It is employed in the treatment of opioid dependence and chronic pain, helping to suppress withdrawal symptoms and provide analgesia in adult patients.

GNH India supplies Methadon Hcl Expharma as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to EU GMP standards and provides reliable logistics for global distribution, ensuring product integrity throughout the supply chain.

Manufacturer / TM Owner

Extractumpharma Co.Ltd.

1
Pack/s
This product is added to your enquiry list

Request a Quote

Please fill out the form below and our team will get back to you shortly with pricing and further information.

A minimum order value applies. Our team will confirm the exact amount or quantity after reviewing your requirements.

Indications & Clinical Uses

Methadone is an opioid agonist used in the management of opioid dependence and pain pathways.

  • Opioid dependence: helps maintain abstinence by reducing cravings and withdrawal symptoms.
  • Chronic pain: provides long‑acting analgesia for severe, persistent pain when other opioids are inadequate.
  • Opioid withdrawal management: facilitates a controlled tapering process to minimize discomfort during detoxification.

How It Works

  • Methadone Hydrochloride acts as a full agonist at the μ‑opioid receptor in the central nervous system. By binding to these receptors, it mimics the effects of endogenous opioids, producing analgesia and suppressing the neuronal hyperactivity that underlies opioid withdrawal. Its long half‑life provides sustained receptor activation, allowing once‑daily dosing for maintenance therapy while limiting the peaks and troughs associated with shorter‑acting opioids.

Side Effects

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

Common Side Effects

  • Nausea: mild to moderate stomach upset, often transient.
  • Constipation: reduced bowel motility leading to hard stools.
  • Drowsiness: increased sleepiness, especially during dose initiation.
  • Sweating: excessive perspiration without exertion.

Serious or Rare Side Effects

  • Respiratory depression: slowed breathing that can be life‑threatening.
  • QT interval prolongation: cardiac rhythm disturbance increasing arrhythmia risk.
  • Severe allergic reaction: rash, itching, swelling, or anaphylaxis.

Precautions & Warnings

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

  • Assess cardiac risk: obtain baseline ECG to evaluate QT interval.
  • Evaluate liver function: adjust dosing in hepatic impairment.
  • Monitor for dependence: watch for signs of misuse or diversion.
  • Counsel on CNS depression: advise against operating machinery or driving until response is known.
  • Educate on overdose signs: emphasize the importance of naloxone availability.
  • 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; awareness of these interactions helps prevent adverse events.

Major Interactions (Avoid)

  • Concurrent use with other CNS depressants: may cause profound respiratory depression.
  • QT‑prolonging agents (e.g., certain antiarrhythmics): increase risk of cardiac arrhythmias.
  • Strong CYP3A4 inducers (e.g., rifampin): markedly reduce methadone plasma levels.

Moderate Interactions (Monitor Closely)

  • CYP3A4 inhibitors (e.g., ketoconazole): may raise methadone concentrations.
  • Benzodiazepines: enhance sedation and respiratory effects, requiring dose adjustments.
  • Antiretrovirals (e.g., protease inhibitors): can alter methadone metabolism, necessitating monitoring.

Frequently Asked Questions

Methadon Hcl Expharma contains methadone hydrochloride and is indicated for the treatment of opioid dependence and for the management of chronic pain. In opioid dependence, it helps suppress withdrawal symptoms and reduce cravings, while in chronic pain it provides long‑acting analgesia when other opioids are insufficient.

Methadone works by acting as a full agonist at the μ‑opioid receptors in the brain and spinal cord. This binding mimics the action of natural endorphins, producing analgesia and decreasing the neuronal hyperactivity that causes withdrawal symptoms. Its long half‑life allows stable receptor activation with once‑daily dosing.

The appropriate dose of Methadon Hcl Expharma is individualized by the prescribing clinician based on factors such as the severity of opioid dependence, the level of pain, patient weight, liver function, and prior opioid exposure. Dosage titration is performed under medical supervision to achieve therapeutic effect while minimizing adverse reactions.

Methadone crosses the placenta and is excreted in breast milk, so its use during pregnancy and lactation requires careful risk‑benefit assessment. It may be continued in pregnant women when the benefits of preventing withdrawal outweigh potential fetal risks, but dosing adjustments and close obstetric monitoring are recommended. Breastfeeding mothers should discuss safety with their healthcare provider.

To place an order, submit an enquiry on the product page at gnhindia.com specifying the required quantity of Methadon Hcl Expharma. 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 μ‑opioid receptor agonist, offering a longer half‑life than many short‑acting opioids, which allows once‑daily dosing for maintenance therapy. Compared with buprenorphine, a partial agonist, methadone may provide stronger analgesia but carries a higher risk of respiratory depression and requires more intensive monitoring. Choice depends on patient-specific factors and treatment goals.

Methadon Hcl Expharma should be stored at ambient temperature, preferably below 25 °C. Keep the product in its original packaging, protect it from moisture, direct sunlight and extreme heat. Do not store in a refrigerator or freezer unless specifically instructed by the manufacturer.

Methadon Hcl Expharma is administered orally, typically as a tablet taken with water. The exact dosing schedule and whether the tablet should be taken with food are determined by the prescriber. Patients should follow the healthcare professional’s instructions and avoid crushing or chewing the tablet unless directed.

The most serious risks include respiratory depression, which can be life‑threatening, especially when combined with other CNS depressants; QT interval prolongation that may lead to serious cardiac arrhythmias; and severe allergic reactions such as anaphylaxis. Patients should be educated to seek immediate medical attention if they experience difficulty breathing, fainting, palpitations, or signs of an allergic reaction.

Methadone is contraindicated in individuals with known hypersensitivity to methadone or any component of the formulation, those with severe respiratory depression, uncontrolled severe asthma, or significant cardiac arrhythmias such as prolonged QT syndrome. Caution is also advised for patients with severe hepatic impairment, as metabolism may be markedly reduced.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

Disclaimer

At GNH India, we aim to provide information that is expert-reviewed, accurate, and reliable. However, all content on this platform is intended for general informational purposes only and does not constitute professional medical advice, diagnosis, or treatment. While efforts are made to maintain accuracy and currency, the information may contain errors, omissions, or may not reflect the latest developments. Always consult a qualified healthcare professional regarding any medical concerns.

All product names, brand names, trademarks and registered trademarks displayed on this website are the property of their respective owners. This website and its operator are not affiliated with, endorsed by, or authorized by any such trade mark owners unless expressly stated. Any reference to product names or trademarks is made solely for descriptive and informational purposes. No commercial relationship, sponsorship, approval, or association with any trademark owner should be inferred. Information provided herein does not constitute promotion, advertising, or an offer for sale of any medicinal product and is intended solely for general informational purposes.

All trademarks and brand names displayed on this website are used strictly in accordance with the provisions of the Trade Marks Act, 1999, specifically Sections 30 and 30(1) governing fair use. Trademark ownership has been accurately attributed under the "Manufacturer/ TM Owner" section in compliance with statutory requirements.

Ordering Process

Simple, Secure, and Seamless

Learn how our streamlined ordering process guarantees fast, compliant, and reliable access to essential medicines worldwide.

Quote request form

01

Submit Quote Request Form

Tell us what medications you need by filling out our simple form and uploading a valid document.

Price estimate review

02

We Review & Send Estimate

Our licensed pharmacists will verify your details and provide you with a detailed cost estimate.

Secure payment

03

Confirm & Make Payment

Discuss any queries, approve the estimate, and complete your payment.

Worldwide delivery

04

Get Delivered

Your medicines, safely packed and delivered to your door or nearest airport — hassle-free.

Quality You Can Trust

Our internationally recognized certifications underscore our commitment to safety, quality, and excellence.