Product image of Molnex (Morphine Hydrochloride Trihydrate) supplied by GNH India

Molnex

Active Ingredient:
Morphine Hydrochloride Trihydrate
Origin:
EU

Molnex (Morphine Hydrochloride Trihydrate)

Morphine Hydrochloride Trihydrate, the active ingredient in Molnex, is an opioid analgesic presented as a sterile injectable solution for epidural, intramuscular and intrathecal use. It is employed to manage severe acute pain, post‑operative pain, cancer‑related pain and chronic pain that requires opioid therapy.

GNH India supplies Molnex as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres and clinics worldwide.

Manufacturer / TM Owner

Kalceks

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Indications & Clinical Uses

  • Molnex, an opioid analgesic, is used in conditions that involve intense nociceptive pain.
  • Severe acute pain: provides rapid relief of intense pain episodes.
  • Post‑operative pain: helps control pain after surgical procedures.
  • Cancer pain: manages persistent pain associated with malignant disease.
  • Chronic pain requiring opioid therapy: offers long‑term analgesia when other treatments are insufficient.

How It Works

  • Morphine Hydrochloride Trihydrate acts as a full agonist at the mu‑opioid receptors in the central nervous system. Binding to these G‑protein‑coupled receptors inhibits adenylate cyclase activity, reduces neuronal excitability, and decreases the release of neurotransmitters involved in pain transmission, resulting in analgesia and sedation.

Side Effects

Adverse reactions may vary in frequency and severity.

Common Side Effects

  • Nausea and vomiting
  • Constipation
  • Drowsiness or sedation
  • Itching or pruritus

Serious or Rare Side Effects

  • Respiratory depression
  • Severe hypotension
  • Anaphylactic or severe allergic reaction
  • Dependence, tolerance or addiction
  • Seizures

Precautions & Warnings

  • Careful assessment and monitoring are essential when using opioid analgesics.
  • Assess pain level: determine appropriate indication and dosage.
  • Evaluate respiratory function: monitor for depression, especially after initiation.
  • Monitor for signs of dependence: watch for misuse or addiction behaviors.
  • Adjust dose in renal/hepatic impairment: reduce dosage or increase interval as needed.
  • Use with caution in elderly patients: start with lower doses and titrate slowly.
  • Store at controlled room temperature: keep in original container, protect from moisture and light.

Avoid Interactions

Opioid therapy can be affected by several concomitant medications.

Major Interactions (Avoid)

  • Central nervous system depressants (e.g., benzodiazepines, barbiturates)
  • Monoamine oxidase inhibitors (MAOIs)
  • Other opioid analgesics
  • Alcohol consumption
  • Respiratory depressants (e.g., anesthetic gases)

Moderate Interactions (Monitor Closely)

  • CYP3A4 inhibitors (e.g., ketoconazole, erythromycin)
  • CYP3A4 inducers (e.g., rifampin, carbamazepine)
  • Diuretics (may enhance hypotensive effect)

Frequently Asked Questions

Molnex contains morphine hydrochloride and is indicated for the management of severe acute pain, post‑operative pain, cancer‑related pain, and chronic pain that requires opioid therapy. It is administered by epidural, intramuscular or intrathecal routes under medical supervision.

Morphine hydrochloride binds to mu‑opioid receptors in the central nervous system, activating G‑protein pathways that inhibit pain signal transmission, reduce neuronal excitability, and produce analgesia and sedation.

The dose of Molnex is individualized by the prescribing clinician based on the patient’s pain severity, prior opioid exposure, route of administration, and clinical condition. No fixed dosing regimen is provided here.

The safety of morphine hydrochloride in pregnancy and lactation is not well established. It is classified as a Category unknown; clinicians must weigh potential benefits against risks and consider alternative therapies when possible.

To request Molnex, 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.

Molnex delivers morphine, a prototypical opioid with well‑characterized efficacy for severe pain. Compared with newer synthetic opioids, morphine has a longer history of clinical use, a predictable pharmacokinetic profile, and is generally less expensive, though it shares similar safety considerations.

Molnex should be stored at controlled room temperature, below 25 °C, in its original packaging. Protect it from moisture, direct sunlight and physical damage. Follow standard aseptic techniques when preparing for injection.

Molnex is supplied as a sterile injectable solution and may be given via epidural, intramuscular or intrathecal injection by qualified healthcare professionals, following aseptic technique and appropriate dosing guidelines.

The most serious risks include respiratory depression, severe hypotension, anaphylactic reactions, and the potential for dependence, tolerance or addiction. Immediate medical attention is required if any of these occur.

Molnex is contraindicated in patients with known hypersensitivity to morphine or any component of the formulation, in those receiving monoamine oxidase inhibitors, and in individuals with significant respiratory compromise without close monitoring.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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