Tonic seizure
A tonic seizure is a type of motor seizure characterized by unilateral or bilateral limb stiffening or elevation, often with neck stiffening.
What is Tonic seizure?
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 Tonic seizure that is severe, persistent, or accompanied by other warning signs, contact a qualified healthcare provider.
Possible conditions associated with Tonic seizure
The following conditions have been associated with Tonic seizure. 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.
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.
Helsmoortel-van der Aa syndrome
Helsmoortel-van der Aa syndrome is a medical condition that may be associated with various symptoms and signs.
Pitt-Hopkins like syndrome 1
Pitt-Hopkins like syndrome 1 is a medical condition that may be associated with various symptoms and signs.
Self-limited neonatal-infantile epilepsy
Self-limited neonatal-infantile epilepsy is a medical condition that may be associated with various symptoms and signs.
X-linked intellectual disability, Cantagrel type
An X-linked syndromic intellectual disability characterized by marked neonatal hypotonia, progressive quadriparesia, sev...
congenital disorder of glycosylation, type IIcc
congenital disorder of glycosylation, type IIcc is a medical condition that may be associated with various symptoms and ...
developmental and epileptic encephalopathy 100
developmental and epileptic encephalopathy 100 is a medical condition that may be associated with various symptoms and s...
developmental and epileptic encephalopathy 102
developmental and epileptic encephalopathy 102 is a medical condition that may be associated with various symptoms and s...
developmental and epileptic encephalopathy 103
developmental and epileptic encephalopathy 103 is a medical condition that may be associated with various symptoms and s...
Related symptoms
When to seek medical care
Seek urgent care if Tonic seizure is severe, sudden, or occurs with chest pain, difficulty breathing, confusion, severe weakness, or other serious symptoms.