20.03 Magnesium Sulfate

Join NURSING.com to watch the full lesson now.

Included In This Lesson


Generic Name

magnesium sulfate

Trade Name



treatment of hypomagnesaemia, hypertension, preterm labor, torsade de pointes, asthma, anticonvulsant with eclampsia


magnesium plays a role in muscle excitability

Therapeutic Class

mineral and electrolyte replacements/supplements

Pharmacologic Class


Nursing Considerations

  • use caution with renal insufficiency
  • may cause decreased respiratory rate, arrythmias, hypotension, muscle weakness
  • monitor EKG and respiratory status
  • monitor Mg levels
  • ensure dosage with secondary practitioner
  • Calcium gluconate is the antidote
    • Magnesium toxicity results in respiratory depress and loss of deep tendon reflexes