Bilateral tonic-clonic seizure
A bilateral tonic-clonic seizure is a seizure defined by a tonic (bilateral increased tone, lasting seconds to minutes) and then a clonic (bilateral sustained rhythmic jerking) phase.
What is Bilateral tonic-clonic seizure?
Bilateral tonic-clonic seizure is a symptom that people may experience for many reasons. It can be related to infections, chronic conditions, injuries, medication effects, or other health changes. The presence of this symptom alone does not diagnose any condition.
If you have Bilateral tonic-clonic seizure that is severe, persistent, or accompanied by other warning signs, contact a qualified healthcare provider.
Possible conditions associated with Bilateral tonic-clonic seizure
The following conditions have been associated with Bilateral tonic-clonic seizure. Only a health professional can determine the underlying cause.
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Related symptoms
When to seek medical care
Seek urgent care if Bilateral tonic-clonic seizure is severe, sudden, or occurs with chest pain, difficulty breathing, confusion, severe weakness, or other serious symptoms.