EmergenciesFree in the app
Eclampsia
Fit in pregnancy or after birth — treat as eclampsia until proven otherwise.
Source: NICE NG133 Calculator
Loading the calculator…
Act
- Call for help; note time.
- Left lateral; protect from injury — do not restrain.
- Airway, high-flow O2, suction; check glucose.
- MgSO4 4 g IV over 5–15 min, then 1 g/h for 24 h.
- Repeat fit: 2–4 g IV over 5–15 min.
- Treat BP ≥160/110: labetalol or nifedipine (hydralazine IV if needed).
- Hourly reflexes, RR, SpO2, urine; fluids ≤80 ml/h.
- Stabilise first, then plan birth.
Mg toxicity (no reflexes, RR <12): stop infusion; calcium gluconate 10% 10 ml IV over 10 min.
A summary for trained clinicians. Always check the full guideline, the patient in front of you and your hospital's protocol. Spotted an error? Tell us.