Metasedin (Methadone Hydrochloride)

Methadone acts as a full agonist at the μ‑opioid receptor. By binding strongly to this receptor, it activates analgesic pathways and suppresses the body’s response to opioid withdrawal, providing both pain relief and stabilization for dependent patients.

The dose of methadone is individualized. A qualified prescriber determines the appropriate amount, frequency, and titration schedule based on the patient’s clinical condition, prior opioid exposure, and response to therapy.

Methadone crosses the placenta and is excreted in breast milk. While it may be used when the benefits outweigh risks, clinicians usually consider alternative therapies and closely monitor both mother and infant for potential adverse effects.

To request Metasedin, 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.

Both methadone and buprenorphine are opioid agonists used for dependence treatment, but methadone is a full μ‑opioid receptor agonist offering more potent analgesia, whereas buprenorphine is a partial agonist with a ceiling effect that may reduce overdose risk. Choice depends on patient history, treatment goals and safety considerations.

Metasedin 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 sterility.

Metasedin is supplied for subcutaneous injection. A healthcare professional prepares the dose using aseptic technique and administers it into the subcutaneous tissue, typically in the abdomen or thigh, following institutional guidelines.

The most critical risks include respiratory depression, which can be fatal if not recognized, QT‑interval prolongation that may lead to serious cardiac arrhythmias, and severe hypotension. Patients should be monitored closely, especially during dose initiation or adjustment.

Metasedin is contraindicated in individuals with known hypersensitivity to methadone, those with severe respiratory insufficiency, uncontrolled cardiac arrhythmias, or significant QT prolongation. Caution is also advised for patients with acute severe asthma or paralytic ileus.