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Magnesium sulfate

Electrolyte (calcium antagonist at membranes, antiarrhythmic, anticonvulsant in eclampsia, bronchodilator)

For healthcare professionals. This information does not replace clinical judgement in the individual case; the current summary of product characteristics and the guidelines cited are authoritative.

Medically reviewed: Dr. med. univ. Daniel Pehböck, DESA, 01.11.2026

Magnesium sulfate (Electrolyte (calcium antagonist at membranes, antiarrhythmic, anticonvulsant in eclampsia, bronchodilator)) – indications: Torsade de pointes (polymorphic VT with QT prolongation) – adults, Severe acute asthma – adults, Severe pre-eclampsia / eclampsia – seizure prophylaxis and treatment. Weight-based dosing in mg and ml in the app, with sources.

Indications

  • Torsade de pointes (polymorphic VT with QT prolongation) – adults
  • Severe acute asthma – adults
  • Severe pre-eclampsia / eclampsia – seizure prophylaxis and treatment

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Weight-based doses in mg and ml, preparations, contraindications and notes – in the app, also offline.

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Used in

Sources and guidelines

  1. Soar J, Böttiger BW et al. European Resuscitation Council Guidelines 2025 Adult Advanced Life Support. Resuscitation 2025;215 Suppl 1:110769 (Korrigendum 2026).
  2. Lott C et al. European Resuscitation Council Guidelines 2025: Special Circumstances in Resuscitation. Resuscitation 2025;215 Suppl 1:110753.
  3. Global Initiative for Asthma (GINA). Global Strategy for Asthma Management and Prevention.
  4. DGGG/OEGGG/SGGG. Hypertensive Erkrankungen in der Schwangerschaft (HES): Diagnostik und Therapie. S2k-Leitlinie, AWMF-Registernummer 015/018, Fassung 06/2024 (veröffentlicht 07/2024, gültig bis 05/2029; ersetzt die Fassung 2019). Englische Fassung: Geburtshilfe Frauenheilkd 2025;85:810–850.