Epilepsy, Tonic-Clonic

Overview

A generalized seizure disorder characterized by recurrent major motor seizures. The initial brief tonic phase is marked by trunk flexion followed by diffuse extension of the trunk and extremities. The clonic phase features rhythmic flexor contractions of the trunk and limbs, pupillary dilation, elevations of blood pressure and pulse, urinary incontinence, and tongue biting. This is followed by a profound state of depressed consciousness (post-ictal state) which gradually improves over minutes to hours. The disorder may be cryptogenic, familial, or symptomatic (caused by an identified disease process). (From Adams et al., Principles of Neurology, 6th ed, p329)

This information is general and should not be treated as medical advice. Always speak directly with a qualified healthcare professional before making decisions about treatment, diagnosis, procedures, medicines or care.

Quick facts about Epilepsy, Tonic-Clonic

Topic type

Condition

Category

Neurology

MeSH classification

C10.228.140.490.375.290

Preparing for an appointment about Epilepsy, Tonic-Clonic

If you are speaking with a healthcare professional about Epilepsy, Tonic-Clonic, it can help to prepare a few details in advance.

• Write down your symptoms and when they started.
• Bring details of any medicines, supplements or previous treatments.
• Ask what tests or assessments may be needed.
• Ask what treatment or management options may be suitable.
• Ask when you should seek urgent medical help or follow-up care.

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