Product image of Nitroprussid-Natrium Aftpharm (Sodium Nitroprusside) supplied by GNH India

Nitroprussid-Natrium Aftpharm

Active Ingredient:
Sodium Nitroprusside
Origin:
EU

Nitroprussid-Natrium Aftpharm (Sodium Nitroprusside)

Sodium Nitroprusside, the active ingredient in Nitroprussid‑Natrium, is a direct‑acting vasodilator presented as an injectable solution for intravenous use. It rapidly reduces arterial and venous pressure, making it valuable in acute hypertensive crises, controlled hypotension during surgery, and severe heart failure management.

GNH India supplies Nitroprussid‑Natrium as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, transplant centres and clinics worldwide. The product complies with European Union pharmacopeial standards and is distributed under strict quality assurance protocols.

Manufacturer / TM Owner

Aft Pharmaceuticals (Eur) Limited

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Indications & Clinical Uses

  • Sodium Nitroprusside is used in clinical situations that require rapid and controllable vasodilation.
  • Acute hypertensive crisis: rapid reduction of severe blood‑pressure elevations.
  • Controlled hypotension during surgery: maintains target low arterial pressure to reduce intra‑operative bleeding.
  • Severe heart failure: decreases preload and afterload to improve cardiac output.

How It Works

  • Sodium Nitroprusside releases nitric oxide (NO) upon metabolism in the bloodstream. NO activates soluble guanylate cyclase in vascular smooth‑muscle cells, raising cyclic GMP levels and causing relaxation of arterial and venous smooth muscle. The resulting vasodilation reduces both preload and afterload, producing a prompt fall in systemic blood pressure, independent of endothelial function.

Side Effects

Intravenous sodium nitroprusside may be associated with a range of adverse reactions.

Common Side Effects

  • Headache: transient throbbing pain often related to rapid pressure drop.
  • Nausea: mild stomach upset that may accompany infusion.
  • Flushing: warm sensation and reddening of the skin.
  • Dizziness: feeling of light‑headedness due to lowered blood pressure.
  • Hypotension: excessive fall in blood pressure if infusion rate is too high.
  • Tachycardia: compensatory increase in heart rate.

Serious or Rare Side Effects

  • Cyanide toxicity: accumulation of cyanide ions with prolonged high‑dose infusions.
  • Thiocyanate accumulation: can cause neurologic or thyroid disturbances.
  • Severe hypotension: profound blood‑pressure collapse requiring immediate intervention.
  • Methemoglobinemia: oxidation of hemoglobin impairing oxygen delivery.
  • Arrhythmias: irregular heart rhythms, including ventricular ectopy.
  • Renal dysfunction: impaired kidney function in susceptible patients.

Precautions & Warnings

When using sodium nitroprusside, careful clinical monitoring and risk assessment are essential.

  • Dose titration: adjust infusion rate to achieve the desired blood‑pressure target.
  • Continuous monitoring: observe arterial pressure and heart‑rate continuously.
  • Cyanide risk: limit infusion duration and monitor plasma cyanide levels in prolonged therapy.
  • Renal function: assess baseline and ongoing kidney function before and during treatment.
  • Thiocyanate accumulation: be vigilant in patients receiving therapy beyond 24 hours.
  • Store at below 25°C: keep in the original container, protect from light and moisture.

Avoid Interactions

Sodium nitroprusside can interact with other medicines, altering its efficacy or safety.

Major Interactions (Avoid)

  • Other vasodilators (e.g., nitroglycerin): additive hypotensive effect.
  • ACE inhibitors or ARBs: potentiate blood‑pressure reduction.
  • Beta‑blockers: may mask reflex tachycardia.

Moderate Interactions (Monitor Closely)

  • Diuretics: may enhance volume depletion and hypotension.
  • Lithium: altered renal clearance can increase lithium toxicity.
  • Phenobarbital: may increase metabolic clearance of nitroprusside, reducing its effect.

Frequently Asked Questions

Nitroprussid‑Natrium, containing sodium nitroprusside, is employed to rapidly lower blood pressure in acute hypertensive crises, to provide controlled hypotension during surgical procedures, and to reduce preload and afterload in patients with severe heart failure.

Sodium nitroprusside releases nitric oxide in the bloodstream, which activates soluble guanylate cyclase in vascular smooth‑muscle cells. This raises cyclic GMP levels, causing relaxation of arterial and venous smooth muscle and resulting in fast, dose‑dependent vasodilation.

The infusion rate of sodium nitroprusside is individualized by the prescribing clinician. Dosing is titrated intravenously to achieve the target blood‑pressure reduction, with continuous hemodynamic monitoring guiding adjustments.

Safety data for sodium nitroprusside in pregnancy and lactation are limited. It should only be used when the potential benefit to the mother outweighs any possible risk to the fetus or infant, and under specialist supervision.

To order, submit an enquiry on the product page at gnhindia.com with 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 cold‑chain if needed) and import documentation.

Unlike many antihypertensives that act through receptors or the renin‑angiotensin system, sodium nitroprusside produces immediate vasodilation via nitric‑oxide release, offering rapid blood‑pressure control. It is particularly useful when a fast, titratable effect is required, whereas oral agents act more slowly.

Store the product at below 25 °C, in its original packaging, protected from light and moisture. Avoid freezing and keep the container tightly sealed to maintain stability.

Nitroprussid‑Natrium is administered intravenously as a continuous infusion. The solution is added to a compatible IV fluid and delivered through a calibrated infusion pump, allowing precise rate adjustments based on blood‑pressure response.

The most critical risks include cyanide toxicity from prolonged high‑dose infusions, severe hypotension, methemoglobinemia, and arrhythmias. Monitoring plasma cyanide levels, arterial pressure, and cardiac rhythm is essential during therapy.

Sodium nitroprusside is contraindicated in patients with known hypersensitivity to the drug, severe anemia, uncontrolled hypovolemia, or those with significant cyanide metabolism disorders. Caution is also advised in patients with renal or hepatic impairment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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