Neurological

Generalised Tonic-Clonic Seizure

Whole-brain seizure with stiffening and jerking.

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Overview

Whole-brain seizure with stiffening and jerking.

Also known as: grand mal

In-depth guidance

A structured clinical overview of Generalised Tonic-Clonic Seizure — symptoms, red flags, causes, and care pathways — is being prepared by our clinical reviewers. In the meantime:

→ Ask the Health Assistant about generalised tonic-clonic seizure
→ Start a structured symptom assessment
→ Browse related symptoms

⚠ When to seek urgent care

Sudden severe symptoms, breathing difficulty, chest pain, confusion, fainting, severe bleeding, or any rapidly worsening illness need urgent assessment. Call your local emergency number.