Drug reference

magnesium sulphate

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Drug class

Cardiovascular (Anti Arrhythmia)

Mechanism of action

Depresses CNS, blocks peripheral neuromuscular transmission, produces anticonvulsant effects; decreases amount of acetylcholine released at end-plate by motor nerve impulse Slows rate of SA node impulse formation in myocardium and prolongs conduction time

Common side effects

  • Circulatory collapse
  • Pulmonary edema
  • Respiratory paralysis
  • Hypothermia
  • Depressed reflexes

Contraindications

  • Hypersensitivity Myocardial damage, diabetic coma, heart block Hypermagnesemia Hypercalcemia Administration during 2 hours preceding delivery for mothers with toxemia of pregnancy

Known interactions (1)

Related conditions

Frequently asked questions

What drug class is magnesium sulphate?

magnesium sulphate belongs to: Cardiovascular.

How does magnesium sulphate work?

Depresses CNS, blocks peripheral neuromuscular transmission, produces anticonvulsant effects; decreases amount of acetylcholine released at end-plate by motor nerve impulse Slows rate of SA node impulse formation in myocardium and prolongs conduction time

What are the common side effects of magnesium sulphate?

Circulatory collapse, Pulmonary edema, Respiratory paralysis, Hypothermia, Depressed reflexes

Which drugs interact with magnesium sulphate?

eltrombopag

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