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Generic Name
Magnesium sulfate
Trade Name
Magnesium sulfate
Risk Category
  • Adequate and well-controlled studies have failed to demonstrate risk on fetus.
  • Possibility of fetal harm seems appears remote.
FDA Pregnancy Risk Categories

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  • Anticonvulsant, laxative.
  • Used as tocolytic agent.
  • Fetal Risk
    Fetal Risk
  • Crosses human placenta.
  • No fetal adverse effects reported except neonatal depression and hypotonia as a result of in utero exposure to the drug.
  • Long-term maternal therapy with magnesium sulfate may cause fetal hypocalcemia that affect fetal bone mineralization producing congenital rickets.
  • maternal magnesium sulfate administration together with gentamycin may produce in utero aquired interaction of both drugs resulting in respiratory arrest of the newborn.
  • Nifidipine interacts with magnesium in potentiating the neuro muscular blocking activity of the latter drug.
  • It causes maternal hypothermia and maternal and fetal tachy cardia.
  • Breast Feeding
    Breast Feeding
  • Magnesium salts are safe in breast-feeding.
  • Other Trade Names
    The information on this Web site is not intended as a substitute for the advice and care of your doctor or other health-care provider. Always consult your doctor if you have any questions about exposures during pregnancy and lactation, and before you take any medications. Please read the Terms and Conditions before using this website.
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