Clonic seizure
A clonic seizure is a type of motor seizure characterized by sustained rhythmic jerking, that is regularly repetitive.
What is Clonic seizure?
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 Clonic seizure that is severe, persistent, or accompanied by other warning signs, contact a qualified healthcare provider.
Possible conditions associated with Clonic seizure
The following conditions have been associated with Clonic 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.
Developmental and epileptic encephalopathy 122
Developmental and epileptic encephalopathy 122 is a medical condition that may be associated with various symptoms and s...
Folinic acid-responsive seizures
Folinic acid-responsive seizures is a medical condition that may be associated with various symptoms and signs.
Jeffries-Lakhani neurodevelopmental syndrome
Jeffries-Lakhani neurodevelopmental syndrome is a medical condition that may be associated with various symptoms and sig...
Nil-Deshwar neurodevelopmental syndrome
Nil-Deshwar neurodevelopmental syndrome is a medical condition that may be associated with various symptoms and signs.
RNU5B-1 related neurodevelopmental disorder with seizures and joint laxity
A neurodevelopmental disorder in which the cause of the disease is a variation in RNU5B-1 gene and is characterized by g...
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 104
developmental and epileptic encephalopathy 104 is a medical condition that may be associated with various symptoms and s...
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 119
A developmental and epileptic encephalopathy caused by the variants in the RNU2-2 gene, in which most reported variants ...
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, 24
Any early infantile epileptic encephalopathy in which the cause of the disease is a mutation in the HCN1 gene.
Related symptoms
When to seek medical care
Seek urgent care if Clonic seizure is severe, sudden, or occurs with chest pain, difficulty breathing, confusion, severe weakness, or other serious symptoms.