Focal tonic seizure
A type of focal motor seizure characterized by sustained increase in muscle contraction, lasting a few seconds to minutes.
What is Focal tonic seizure?
Focal tonic 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 Focal tonic seizure that is severe, persistent, or accompanied by other warning signs, contact a qualified healthcare provider.
Possible conditions associated with Focal tonic seizure
The following conditions have been associated with Focal tonic seizure. Only a health professional can determine the underlying cause.
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CLCN4-related X-linked intellectual disability syndrome
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Early infantile developmental and epileptic encephalopathy
Early infantile developmental and epileptic encephalopathy is a medical condition that may be associated with various sy...
Hemimegalencephaly
Hemimegalencephaly is a medical condition that may be associated with various symptoms and signs.
Self-limited infantile epilepsy
Self-limited infantile epilepsy is a medical condition that may be associated with various symptoms and signs.
Self-limited neonatal epilepsy
Self-limited neonatal epilepsy is a medical condition that may be associated with various symptoms and signs.
developmental and epileptic encephalopathy 112
developmental and epileptic encephalopathy 112 is a medical condition that may be associated with various symptoms and s...
developmental and epileptic encephalopathy, 13
Any early infantile epileptic encephalopathy in which the cause of the disease is a mutation in the SCN8A gene.
developmental and epileptic encephalopathy, 14
Any early infantile epileptic encephalopathy in which the cause of the disease is a mutation in the KCNT1 gene.
developmental and epileptic encephalopathy, 28
Any early infantile epileptic encephalopathy in which the cause of the disease is a mutation in the WWOX gene.
developmental and epileptic encephalopathy, 66
developmental and epileptic encephalopathy, 66 is a medical condition that may be associated with various symptoms and s...
Related symptoms
When to seek medical care
Seek urgent care if Focal tonic seizure is severe, sudden, or occurs with chest pain, difficulty breathing, confusion, severe weakness, or other serious symptoms.