Product image of Monoxyde D‘azote Messer (Nitric Oxide) supplied by GNH India

Monoxyde D‘azote Messer

Active Ingredient:
Nitric Oxide
Origin:
EU

Monoxyde D‘azote Messer (Nitric Oxide)

Nitric Oxide, the active ingredient in Monoxyde D‘azote Messer, is a medical gas presented as a gas for inhalation use. It acts as a selective pulmonary vasodilator for conditions such as neonatal pulmonary hypertension, acute respiratory distress syndrome, and adult pulmonary hypertension.

GNH India supplies Monoxyde D‘azote Messer as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals worldwide.

Manufacturer / TM Owner

Messer Belgium N.V.

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Indications & Clinical Uses

  • Monoxyde D‘azote Messer, a nitric oxide inhalation therapy, is used in pulmonary vascular disorders.
  • Neonatal pulmonary hypertension: reduces pulmonary arterial pressure and improves oxygenation in newborns.
  • Acute respiratory distress syndrome: provides selective pulmonary vasodilation to enhance ventilation‑perfusion matching.
  • Pulmonary hypertension in adults: lowers pulmonary vascular resistance and supports right‑ventricular function.

How It Works

  • Inhaled nitric oxide diffuses into pulmonary vascular smooth muscle where it activates soluble guanylate cyclase, increasing intracellular cyclic GMP. Elevated cGMP leads to relaxation of smooth muscle cells, producing selective pulmonary vasodilation without significant systemic effects.

Side Effects

Inhaled nitric oxide may cause a range of adverse reactions, varying from mild to severe.

Common Side Effects

  • Headache: transient mild headache.
  • Dizziness: occasional light‑headedness.
  • Cough: airway irritation leading to cough.

Serious or Rare Side Effects

  • Methemoglobinemia: elevated methemoglobin reducing oxygen transport.
  • Nitrogen dioxide formation: pulmonary irritation from NO₂ buildup.
  • Rebound pulmonary hypertension: worsening pressure after sudden discontinuation.

Precautions & Warnings

  • When using inhaled nitric oxide, careful clinical monitoring and handling are essential.
  • Dose titration: adjust inhaled concentration under continuous monitoring of oxygenation and hemodynamics.
  • Monitoring: regularly assess methemoglobin levels and nitrogen dioxide concentrations.
  • Contraindications: avoid use in patients with known hypersensitivity to nitric oxide.
  • Pregnancy: safety not established; use only if benefit outweighs risk.
  • Interaction with methylene blue: may reduce effectiveness of methemoglobinemia treatment.
  • Store at ambient temperature: keep cylinder in original container, protect from heat and direct sunlight.

Avoid Interactions

Nitric oxide can interact with several drug classes, requiring vigilance.

Major Interactions (Avoid)

  • Phosphodiesterase inhibitors: additive vasodilatory effect may cause severe hypotension.
  • Inhaled anesthetics (e.g., nitrous oxide): synergistic pulmonary vasodilation increasing risk of systemic hypotension.

Moderate Interactions (Monitor Closely)

  • Anticoagulants: nitric oxide may potentiate bleeding risk.
  • Hemoglobin‑modifying agents (e.g., methylene blue): may interfere with methemoglobin reduction.
  • Inhaled bronchodilators: may alter distribution of inhaled nitric oxide.

Frequently Asked Questions

Monoxyde D‘azote Messer is an inhaled nitric oxide preparation used to selectively lower pulmonary arterial pressure in neonatal pulmonary hypertension, acute respiratory distress syndrome, and pulmonary hypertension in adults.

Nitric oxide activates soluble guanylate cyclase in pulmonary smooth muscle, raising cyclic GMP levels. The increase in cGMP causes relaxation of vascular smooth muscle, producing selective dilation of pulmonary vessels while sparing systemic circulation.

The prescribed dose is determined by the treating physician based on the patient’s condition, response, and monitoring data. Dosing is individualized and administered under continuous clinical supervision.

Safety in pregnancy and lactation has not been established. It should be used only if the potential benefit justifies any possible risk to the mother or infant.

Enquiries are submitted via the product page on gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any cold‑chain requirements) and import documentation.

Compared with inhaled prostacyclin analogues, nitric oxide offers rapid onset and precise titration but requires specialized delivery equipment and monitoring for methemoglobinemia. Prostacyclins have longer half‑lives and may be administered continuously without the same level of gas‑phase monitoring.

The product should be stored at ambient temperature, in its original cylinder, protected from heat, direct sunlight and physical damage. Cylinders must be secured upright and handled only by trained personnel.

It is delivered as a medical gas via a calibrated inhalation system. The concentration is titrated to the desired therapeutic level while the patient is continuously monitored for oxygenation, hemodynamics and methemoglobin levels.

Serious risks include methemoglobinemia, formation of nitrogen dioxide leading to pulmonary irritation, and rebound pulmonary hypertension if therapy is abruptly stopped. These events require prompt recognition and appropriate management.

Patients with known hypersensitivity to nitric oxide, severe anemia, or those receiving agents that interfere with methemoglobin reduction (e.g., methylene blue) should avoid this therapy. Clinical judgment is required for each individual case.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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