Product image of Naxan (Naloxone Hydrochloride) supplied by GNH India

Naxan

Active Ingredient:
Naloxone Hydrochloride
Origin:
EU

Naxan (Naloxone Hydrochloride)

Naloxone Hydrochloride, the active ingredient in Naxan, is an opioid antagonist presented as a sterile injectable solution for intramuscular, intravenous, and subcutaneous use. It rapidly reverses the effects of opioid overdose in adults and children by displacing opioid molecules from mu‑receptors, restoring breathing and consciousness. The formulation is supplied in single‑dose vials suitable for emergency settings.

GNH India supplies Naxan as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company ensures quality assurance, regulatory compliance, and reliable cold‑chain logistics where required.

Manufacturer / TM Owner

Hikma Farmacêutica (Portugal), S.A.

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Indications & Clinical Uses

Naloxone acts on the opioid receptor system to rapidly reverse opioid‑induced respiratory depression and loss of consciousness.

  • Opioid overdose: provides rapid restoration of normal breathing and consciousness by displacing opioid agonists from mu‑opioid receptors, typically within minutes.
  • Opioid toxicity: reverses central nervous system depression caused by accidental or intentional opioid exposure, helping to re‑establish alertness and protective reflexes.
  • Acute opioid‑induced respiratory depression: restores adequate ventilation and oxygenation in emergency settings, reducing the risk of hypoxic injury.
  • Opioid‑related cardiac depression: improves heart rate and blood pressure by counteracting opioid‑mediated bradycardia and hypotension.

How It Works

  • Naloxone is a competitive antagonist that binds with high affinity to mu‑opioid receptors in the central nervous system. By occupying these receptors without activating them, it displaces opioid agonists such as morphine, heroin, or fentanyl, thereby terminating their pharmacologic effects. This rapid receptor blockade restores normal neuronal activity, reversing respiratory depression, sedation, and analgesia associated with opioid toxicity.

Side Effects

Naloxone may be associated with a range of adverse reactions, most of which are transient and related to abrupt opioid reversal.

Common Side Effects

  • Nausea
  • Vomiting
  • Sweating
  • Tachycardia
  • Hypertension
  • Agitation

Serious or Rare Side Effects

  • Seizures
  • Severe hypertension
  • Pulmonary edema
  • Anaphylaxis
  • Cardiac arrest

Precautions & Warnings

When using Naloxone, several safety considerations should be observed to ensure effective and safe reversal of opioid toxicity.

  • Assess airway and breathing: confirm opioid overdose before administration.
  • Monitor vital signs: observe heart rate, blood pressure, and respiratory status after dosing.
  • Use only in opioid overdose situations: avoid routine use in patients without opioid exposure.
  • Adjust dose in cardiovascular disease: be cautious in patients with coronary artery disease or hypertension.
  • Avoid intravascular injection when possible: ensure proper intramuscular, subcutaneous, or intravenous technique.
  • Store at ambient temperature: keep in original packaging, protect from moisture and light.

Avoid Interactions

Naloxone can interact with other medications, influencing its efficacy or the safety profile of co‑administered drugs.

Major Interactions (Avoid)

  • Concurrent high‑dose opioid agonists: may diminish naloxone’s reversal effect.
  • Co‑administration with other opioid antagonists: can lead to additive precipitated withdrawal.

Moderate Interactions (Monitor Closely)

  • Beta‑blockers: may mask tachycardia that signals adverse reaction.
  • Sedatives or benzodiazepines: may enhance central nervous system effects after reversal.
  • Monoamine oxidase inhibitors: may increase risk of hypertensive response.

Frequently Asked Questions

Naxan contains naloxone hydrochloride and is used as an emergency treatment to reverse the life‑threatening effects of opioid overdose. It rapidly restores breathing and consciousness by displacing opioid molecules from mu‑opioid receptors, making it essential in pre‑hospital and hospital settings for patients who have taken opioids such as heroin, fentanyl, or prescription pain relievers.

Naloxone works as a competitive antagonist at mu‑opioid receptors in the central nervous system. By binding to these receptors without activating them, it pushes opioid agonists off the receptor sites, quickly halting their pharmacologic actions. This blockade restores normal neuronal signaling, leading to the rapid reversal of respiratory depression, sedation, and other opioid‑induced effects.

The dose of Naxan is determined by the prescribing clinician based on the severity of the opioid overdose, the patient’s age, weight, and clinical response. Standard emergency protocols often start with an initial dose, followed by additional doses if needed, but the exact regimen must be individualized and documented by a qualified healthcare professional.

The safety of naloxone hydrochloride in pregnancy and lactation has not been definitively established. It should be used only if the potential benefit to the mother outweighs any possible risk to the fetus or infant. Healthcare providers should assess each case carefully and consider alternative treatments when appropriate.

To order Naxan, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies, and procurement teams worldwide, and will request verification of trade or institutional credentials. After confirmation, the sales team provides pricing, availability, shipping details—including any cold‑chain requirements—and assists with import documentation.

Naxan (naloxone hydrochloride) is chemically identical to other naloxone products but is supplied as a sterile injectable solution for IM, IV, or SC administration. Compared with auto‑injector devices, Naxan offers flexibility in dosing and route selection, which can be advantageous in controlled clinical environments. All formulations share the same mechanism of action and rapid onset of action.

Naxan should be stored at ambient temperature, below 25 °C, in its original packaging. Protect the vials from moisture, direct sunlight, and extreme temperature fluctuations. Do not freeze the product. Maintaining proper storage conditions helps preserve potency and sterility for emergency use.

Naxan is administered by a qualified healthcare professional via intramuscular, intravenous, or subcutaneous injection. The route is chosen based on the clinical situation and available access. Injection sites should be cleaned with an antiseptic, and the correct technique must be followed to ensure rapid absorption and effective reversal of opioid toxicity.

The most serious risks include precipitated acute withdrawal, which can cause severe agitation, hypertension, tachycardia, or seizures, especially in opioid‑dependent individuals. Rare but life‑threatening reactions such as anaphylaxis, pulmonary edema, or cardiac arrest have been reported. Continuous monitoring after administration is essential to detect and manage these events promptly.

Naxan is contraindicated in patients with known hypersensitivity to naloxone or any of its excipients. It should also be avoided in individuals without confirmed opioid exposure, as unnecessary antagonism can induce withdrawal symptoms. Clinical judgment is required for patients with severe cardiovascular disease, where rapid hemodynamic changes may pose additional risks.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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