What is Generalised tonic-clonic seizure without focal onset?

Generalised tonic-clonic seizure without focal onset 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 Generalised tonic-clonic seizure without focal onset that is severe, persistent, or accompanied by other warning signs, contact a qualified healthcare provider.

Possible conditions associated with Generalised tonic-clonic seizure without focal onset

The following conditions have been associated with Generalised tonic-clonic seizure without focal onset. Only a health professional can determine the underlying cause.

3-methylcrotonyl-CoA carboxylase 1 deficiency

Any 3-methylcrotonyl-CoA carboxylase deficiency in which the cause of the disease is a mutation in the MCCC1 gene.

Angelman syndrome due to paternal uniparental disomy of chromosome 15

Angelman syndrome due to paternal uniparental disomy of chromosome 15 is a medical condition that may be associated with...

CTCF-related neurodevelopmental disorder

A rare, genetic, neurodevelopmental disorder characterized by global developmental delay, borderline to severe intellect...

Coffin-Siris syndrome 6

Any Coffin-Siris syndrome in which the cause of the disease is a mutation in the ARID2 gene.

Developmental and epileptic encephalopathy 122

Developmental and epileptic encephalopathy 122 is a medical condition that may be associated with various symptoms and s...

Dursun-Ozgul neurodevelopmental syndrome

Dursun-Ozgul neurodevelopmental syndrome is a medical condition that may be associated with various symptoms and signs.

Epilepsy with eyelid myoclonia

Epilepsy with eyelid myoclonia is a medical condition that may be associated with various symptoms and signs.

Epilepsy with myoclonic-atonic seizures

Epilepsy with myoclonic-atonic seizures is a medical condition that may be associated with various symptoms and signs.

Familial infantile myoclonic epilepsy

Familial infantile myoclonic epilepsy is a medical condition that may be associated with various symptoms and signs.

GM1 gangliosidosis

GM1 gangliosidosis is a medical condition that may be associated with various symptoms and signs.

Glycogen storage disease 0, muscle

Glycogen storage disease 0, muscle is a medical condition that may be associated with various symptoms and signs.

Jaberi-Elahi syndrome

Jaberi-Elahi syndrome is a medical condition that may be associated with various symptoms and signs.

Related symptoms

When to seek medical care

Seek urgent care if Generalised tonic-clonic seizure without focal onset is severe, sudden, or occurs with chest pain, difficulty breathing, confusion, severe weakness, or other serious symptoms.