Magnesium Sulfate (Magnesium Sulfate Injection) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 10, 2012

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Magnesium Sulfate

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Magnesium Sulfate
Injection, USP 50%
2.03 mM/mLof Magnesium Sulfate (magnesium sulfate (magnesium sulfate injection) injection) heptahydrate
Osmolarity 4.06 mOsmol/mL

MUST BE DILUTED PRIOR TO IV ADMINISTRATION

DRUG DESCRIPTION

Magnesium Sulfate Injection, USP (50%) for IV and IM use is a sterile concentrated solution of magnesium sulfate (magnesium sulfate (magnesium sulfate injection) injection) USP. Each mL contains: magnesium sulfate (magnesium sulfate (magnesium sulfate injection) injection) (heptahydrate) 500 mg, which provides 4.06 mEq each of magnesium (Mg++) and sulfate (SO₄=), water for injection q.s. The pH (5.5 - 7.0) is adjusted with sulfuric acid and/or sodium hydroxide. The solution contains no bacteriostatic agent or other preservatives. The molecular formula is MgSO₄•7H₂O and the molecular weight is 246.47.

What are the possible side effects of magnesium sulfate injection (Sulfamag)?

Side effects with magnesium sulfate injection are not common. Serious side effects include:

an allergic reaction (shortness of breath; closing of the throat; hives; swelling of the lips, face, or tongue; rash; or fainting);
heart disturbances;
breathing difficulties;
poor reflexes;
confusion, extreme tiredness or weakness;
low body temperature;
severe headache;
fainting;
rash or flushing;
vision problems;...

Read All Potential Side Effects and See Pictures of Magnesium Sulfate »

Last reviewed on RxList: 8/11/2008
This monograph has been modified to include the generic and brand name in many instances.