Before birth1 min readUpdated May 31, 2026
Preeclampsia red flags: when it is an emergency
Severe headache, vision changes, and sudden swelling can signal life-threatening preeclampsia — act immediately.
Third trimester#tien-san-giat#can-gap#tang-huyet-ap
Bầu Ăn Gì? Team · References Tam Anh Hospital, NHS
What is preeclampsia?
High blood pressure with protein in urine or other organ signs, usually after 20 weeks. Can worsen quickly.
Danger signs
- Severe headache not relieved by usual safe analgesics.
- Blurred vision or flashing lights.
- Sudden facial/hand swelling, upper abdominal pain.
- Decreased fetal movement.
Nutrition note
Do not extreme salt restriction on your own; follow medical treatment including hospital magnesium sulfate when indicated.
Action
Call emergency services or go to labor ward immediately — do not wait for a routine appointment.