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Pre-eclampsia medical therapy

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Zand, M.D.[2] Ogheneochuko Ajari, MB.BS, MS [3]

Overview


Treatment

Medical Therapy

Serum Magnesium Concentration (mg/dL) Effect
5–9 Therapeutic range
>9 Loss of patellar reflexes
> 12 Respiratory paralysis
> 30 Cardiac arrest
Drugs for urgent controlling of hypertension in preeclampsia[3] Dose Specific considration Onset of action
Labetalol 10–20 mg IV, then 20–80 mg every 10–30 minutes upto a maximum dosage of 300 mg; or infusion 1–2 mg/min IV Contraindications: 1-2 minutes
Hydralazine 5 mg IV or IM, then 5–10 mg IV every 20–40 minutes upto a maximum dosage of 20 mg or keeping infusion of 0.5–10 mg/hr Side effects in higher dosage: 10-20 minutes
Nifedipine 10–20 mg orally, repeat in 20 minutes if needed; then 10–20 mg every 2–6 hours, maximum daily dose is 180 mg Side effect: 5-10 minutes

References

  1. . doi:10.1161/HYP.0000000000000065Hypertension. Check |doi= value (help). Missing or empty |title= (help)
  2. “Gestational Hypertension and Preeclampsia: ACOG Practice Bulletin, Number 222”. Obstet Gynecol. 135 (6): e237–e260. June 2020. doi:10.1097/AOG.0000000000003891. PMID 32443079 Check |pmid= value (help).
  3. “Gestational Hypertension and Preeclampsia”. Obstetrics & Gynecology. 135 (6): e237–e260. 2020. doi:10.1097/AOG.0000000000003891. ISSN 0029-7844.

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