What are the symptoms of high fever convulsions and what are the causes?

High fever is a common symptom in our lives. Many people will also have a high fever when they have a cold, but many people don’t know the reason why they have convulsions when they have a high fever. Let’s explore it together below!

What is a high fever convulsion

High fever convulsions are characterized by sudden onset of generalized or localized muscle rigidity and convulsions. High fever convulsions are often accompanied by impaired consciousness.

Causes

The causes can be divided into two categories: infectious (febrile seizures) and non-infectious (non-febrile seizures) according to the presence or absence of infection. According to the location of the lesion, it can be divided into intracranial and extracranial.

(I) Infectious seizures (febrile seizures) 1. Intracranial diseases Viral infections such as viral encephalitis and Japanese encephalitis. Bacterial infections such as purulent meningitis, tuberculous meningitis, brain abscesses, and venous sinus thrombosis. Fungal infections such as new cryptococcal meningitis, etc. Parasitic infections such as cerebral cysticercosis, cerebral malaria, cerebral schistosomiasis, cerebral paragonimiasis, and toxoplasmosis. 2. Extracranial diseases High fever seizures, toxic encephalopathy (severe pneumonia, whooping cough, toxic dysentery, septicemia as primary disease), tetanus, etc.

(II) Non-infectious seizures (afebrile seizures) 1. Intracranial diseases Cranial injury such as birth injury, brain trauma, neonatal asphyxia, intracranial hemorrhage. Abnormal brain development such as congenital hydrocephalus, cerebral vascular malformation, macrocephaly (microcephaly), cerebral paralysis and neurocutaneous syndrome. Intracranial space-occupying diseases such as brain tumors and brain cysts. Epileptic syndrome such as grand mal seizures and infantile spasms. Brain degenerative diseases such as demyelinating encephalopathy and macular degeneration. 2. Extracranial diseases Metabolic diseases such as hypocalcemia, hypoglycemia, hypomagnesemia, hyponatremia, hypernatremia, vitamin B1 or B6 deficiency, etc. Genetic metabolic diseases such as glycogen storage disease, galactosemia, phenylketonuria, hepatolenticular degeneration, mucopolysaccharidosis. Systemic diseases such as hypertensive encephalopathy, uremia, heart rhythm disorders, severe anemia, food, drug and pesticide poisoning, etc.

Symptoms

When normal brain activity is disturbed, a high fever convulsion occurs. There are often no warning signs. During a high fever convulsion, you may experience the following: · Your body becomes stiff or paralyzed · You become unconscious or unable to recognize your surroundings · Your body twitches · You have difficulty breathing