Main content Magnesium Sulfate for Seizure Prevention During Pregnancy

    Magnesium Sulfate for Seizure Prevention During Pregnancy



    Examples

    Generic NameChemical Name
    magnesium sulfate

    Magnesium sulfate is used to prevent or stop seizures (Reference eclampsia Opens New Window) during pregnancy. It is usually given through a vein (Reference intravenously Opens New Window, or IV) or injected into a muscle (intramuscularly, or IM). Treatment to prevent seizures is usually continued for 24 hours after delivery.

    Getting magnesium sulfate through a vein (IV) is less painful than through IM injection because the IM injections must be given frequently. The IM delivery route may be used when:

    • A pump for adjustable and reliable IV delivery is not available.
    • Continuous monitoring of the health of the mother and fetus is not possible.
    • The mother must be transferred to another location for treatment.


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