Product image of Magnesiumsulfat (Magnesium Sulfate Heptahydrate) supplied by GNH India

Magnesiumsulfat

Active Ingredient:
Magnesium Sulfate Heptahydrate
Origin:
EU

Magnesiumsulfat (Magnesium Sulfate Heptahydrate)

Magnesium sulfate, the active ingredient in Magnesiumsulfat, is a mineral electrolyte presented as a sterile injectable solution for intravenous use. It is employed to correct magnesium deficiency and to manage obstetric and cardiac conditions where magnesium levels influence vascular tone and electrical stability.
GNH India supplies Magnesiumsulfat as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals worldwide.

Manufacturer / TM Owner

Inresa Arzneimittel Gmbh

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Indications & Clinical Uses

Magnesium sulfate acts as a systemic magnesium repletion agent and influences neuromuscular and cardiovascular function.

  • Magnesium deficiency: restores normal serum magnesium concentrations and alleviates related neuromuscular symptoms.
  • Eclampsia: prevents and treats seizures in pregnant patients with severe pre‑eclampsia.
  • Pre‑eclampsia: stabilises blood pressure and reduces risk of progression to eclampsia.
  • Cardiac arrhythmias: corrects electrolyte‑related rhythm disturbances and supports anti‑arrhythmic therapy.

How It Works

  • Magnesium sulfate dissociates to release Mg2+ ions that serve as essential cofactors for over 300 enzymatic reactions, stabilize ATP, and modulate calcium influx across cell membranes. The ions promote vasodilation by antagonising calcium‑mediated smooth‑muscle contraction, and they depress cardiac automaticity, providing anti‑arrhythmic and neuroprotective effects. Restoration of magnesium balance also supports neuromuscular transmission and reduces excitatory neurotransmitter release.

Side Effects

Adverse reactions may occur with intravenous magnesium sulfate administration.

Common Side Effects

  • Flushing or feeling of warmth: transient vasodilatory sensation.
  • Nausea or vomiting: gastrointestinal upset.
  • Headache: mild to moderate intensity.
  • Hypotension: mild blood pressure reduction.

Serious or Rare Side Effects

  • Respiratory depression: reduced respiratory drive, especially with high doses.
  • Cardiac arrest or severe bradycardia: profound conduction disturbances.
  • Hypermagnesemia: neuromuscular weakness, loss of deep tendon reflexes, and cardiac arrhythmias.

Precautions & Warnings

Magnesium sulfate requires careful clinical monitoring to avoid toxicity.

  • Renal impairment: adjust dose or avoid if severe renal failure is present.
  • Neuromuscular disease: monitor for exaggerated muscle weakness.
  • Cardiac conduction disorders: use with caution in patients with heart block.
  • Concomitant calcium channel blockers: increased risk of hypotension and bradycardia.
  • Serum magnesium monitoring: check levels regularly during prolonged therapy.
  • Store at 2-8°C: keep refrigerated, protect from light, do not freeze.

Avoid Interactions

Magnesium sulfate can interact with several drug classes, altering efficacy or safety.

Major Interactions (Avoid)

  • Neuromuscular blocking agents: potentiates muscle relaxation and may cause prolonged paralysis.
  • Calcium‑containing products: antagonistic effect can reduce therapeutic benefit.

Moderate Interactions (Monitor Closely)

  • Aminoglycoside antibiotics: may increase risk of neuromuscular blockade.
  • Loop diuretics: can enhance magnesium loss, requiring closer monitoring.
  • ACE inhibitors or ARBs: additive hypotensive effect may occur.

Frequently Asked Questions

Magnesiumsulfat is used to correct magnesium deficiency, manage seizures in eclampsia, stabilize blood pressure in pre‑eclampsia, and treat certain cardiac arrhythmias where low magnesium contributes to abnormal heart rhythms.

Magnesium sulfate releases magnesium ions that act as cofactors for many enzymes, stabilize cell membranes, promote vasodilation by blocking calcium entry, and modulate electrical activity in nerves and the heart, thereby correcting electrolyte imbalances and reducing excitability.

The dose of Magnesiumsulfat is determined by the prescribing clinician based on the specific indication, patient weight, renal function, and serum magnesium levels. Dosage regimens are individualized and should follow local clinical guidelines.

Magnesium sulfate is commonly used in obstetric care for eclampsia and pre‑eclampsia and is considered safe when administered under medical supervision. Limited data exist for breastfeeding, but small amounts excreted in milk are not expected to cause harm; clinicians should evaluate each case.

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

Magnesiumsulfat is a sterile injectable form that provides rapid systemic magnesium levels, unlike oral magnesium salts which have slower absorption and gastrointestinal side effects. It is preferred in acute settings such as eclampsia or severe arrhythmias where immediate correction is required.

Magnesiumsulfat should be stored at 2‑8 °C, protected from light, and kept in its original container. It must not be frozen or shaken vigorously, and any solution that appears discolored or particulate should be discarded.

Magnesiumsulfat is administered intravenously by a qualified healthcare professional. It is typically given as a slow infusion or bolus, depending on the indication, and the infusion rate is adjusted according to clinical response and serum magnesium monitoring.

The most serious risks include respiratory depression, severe hypotension, cardiac arrest, and hypermagnesemia, which can cause loss of deep tendon reflexes, muscle weakness, and life‑threatening arrhythmias. Continuous monitoring of vital signs and serum magnesium is essential during therapy.

Magnesiumsulfat is contraindicated in patients with known hypersensitivity to magnesium sulfate, severe renal failure, advanced heart block without a pacemaker, and in those with myasthenia gravis or other neuromuscular disorders where magnesium may exacerbate weakness.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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