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Related Experiment Videos

Hypersensitivity to magnesium sulfate.

J M Thorp1, V L Katz, D Campbell

  • 1Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill.

American Journal of Obstetrics and Gynecology
|October 1, 1989
PubMed
Summary
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Intravenous magnesium sulfate can cause sudden urticarial eruptions in patients with preterm labor. Stopping the medication resolved the rash without harming mothers or fetuses.

Area of Science:

  • Obstetrics and Gynecology
  • Pharmacology
  • Dermatology

Background:

  • Preterm labor is a significant concern in obstetric care.
  • Magnesium sulfate is a common treatment to halt preterm labor.
  • Adverse drug reactions require careful monitoring during pregnancy.

Observation:

  • Two labor and delivery nurses received intravenous magnesium sulfate for preterm labor.
  • Both nurses developed a rapid, sudden urticarial eruption after magnesium sulfate administration.
  • The dermatologic reaction resolved promptly upon discontinuation of magnesium sulfate.

Findings:

  • Intravenous magnesium sulfate can induce acute urticarial eruptions.
  • The observed urticaria was transient and did not pose risks to maternal or fetal well-being.

Related Experiment Videos

  • Alternative tocolytic agents were required to manage preterm labor after magnesium sulfate cessation.

    • Implications:

    • Clinicians should be aware of the potential for magnesium sulfate-induced urticaria in pregnant patients.
    • Prompt recognition and discontinuation of magnesium sulfate can effectively manage this adverse reaction.
    • This highlights the importance of vigilant pharmacovigilance in obstetric practice.