Rare diseases · Sign or symptom
Eclampsia
HP:0100601
What it means
An acute and life-threatening complication of pregnancy, which is characterized by the appearance of tonic-clonic seizures, usually in a patient who had developed pre-eclampsia. Eclampsia includes seizures and coma that happen during pregnancy but are not due to preexisting or organic brain disorders.
Rare diseases that can present with this5
Sometimes5–29%
4The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.