Precursors to epileptic seizures in children

Written by Yan Xin Liang
Pediatrics
Updated on October 29, 2024
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The majority of childhood epilepsy seizures occur without any precursors, as they arise and cease suddenly with stereotyped movements. However, some seizures are preceded by prodromes, such as sudden onset of consciousness disturbances, or fainting symptoms. Other seizures can present with motor dysfunctions, displaying sudden weakness or fatigue in certain limbs, followed by an epileptic attack. Additionally, some may experience abnormal sensations, such as numbness in a specific area or visual disturbances, including sudden flashes or even visual distortions, leading to convulsive seizures.

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Written by Yan Xin Liang
Pediatrics
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What are the symptoms of epilepsy in children?

The typical symptoms of childhood epilepsy include sudden loss of consciousness, followed initially by tonic and then clonic convulsions, often accompanied by screaming, cyanotic facial complexion, frothing or bleeding at the mouth, dilated pupils, generally lasting 40 seconds or up to 15 minutes. The convulsive seizure stops naturally, followed by a state of coma. Of course, some affected children also display varying degrees of consciousness disorders, evident disruptions in thinking, perception, emotion, and psychomotor functions, and may show signs of conditions like somnambulism and noctambulism, among other automatisms.

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Written by Liu Shi Xiang
Neurology
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Can epilepsy patients drink water frequently in their daily life?

Patients with epilepsy can often drink water in their daily lives, but they should pay attention to the amount of water they drink and not consume too much at once. Drinking too much water in a short period can lead to increased urination, and an increase in the frequency of urination could potentially trigger a seizure. Additionally, patients should try to reduce their water intake during a seizure episode. Drinking water during a seizure can easily cause choking or even suffocation. Therefore, patients with epilepsy need to pay attention to adjusting their diet and lifestyle. Moreover, patients need to take long-term medication to prevent seizures, including commonly used drugs such as carbamazepine and sodium valproate. In hot weather, patients with epilepsy still need to hydrate appropriately; otherwise, dehydration and low blood pressure can occur, which can also easily trigger a seizure.

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Written by Liu Shi Xiang
Neurology
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Can mild epilepsy be treated?

Mild epilepsy is treatable. If the patient is experiencing their first seizure or if the seizures are infrequent, it’s generally appropriate to observe clinically and not rush to use anti-epileptic drugs. Such patients typically experience only very mild neurological symptoms during a seizure, such as limb weakness, numbness, or facial droop. However, if the patient's seizures occur frequently, it is necessary to control the symptoms with anti-epileptic medications, which often include drugs such as levetiracetam, gabapentin, sodium valproate, and lamotrigine. Patients with mild epilepsy should also work on strengthening their exercise routines, maintaining a calm mind, and getting sufficient sleep to help prevent seizures to a certain extent. If the patient's condition worsens or becomes intractable epilepsy, surgical treatment methods may be considered to control the symptoms.

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Written by Liu Shi Xiang
Neurology
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What to do if epilepsy occurs multiple times?

If epilepsy occurs multiple times, it is necessary to control the patient's seizures with effective medication. For example, patients with grand mal seizures need to be given diazepam and phenobarbital in a timely manner to stop the seizures. In addition, patients also need to take long-term oral medications such as lamotrigine and sodium valproate to prevent the occurrence of epilepsy. If it is a partial seizure, patients need to take medications such as carbamazepine, oxcarbazepine, gabapentin, and pregabalin long-term to prevent seizures. For patients with intractable epilepsy that responds poorly to medication, surgical treatment can also be used to control the symptoms of epilepsy. Moreover, in their daily lives, patients need to adopt good dietary and lifestyle habits to avoid various triggers that may cause repeated seizures. For instance, patients need to ensure sufficient and good quality sleep, maintain a calm mindset, and also abstain from smoking and drinking. Only by doing so can the repeated occurrences of epilepsy be effectively prevented.

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Written by Li Jiao Yan
Neonatology
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What are the early symptoms of epilepsy in children?

Epilepsy is a particularly common chronic disease in life. If the brain is underdeveloped and there are neurological disorders, it can cause epilepsy. What are the early symptoms of childhood epilepsy? The manifestations of a child's epileptic seizure are diverse, but all have the characteristics of sudden onset, sudden cessation, and periodic attacks. Common types in children include major seizures, absence minor seizures, and benign childhood epilepsy. During a major seizure, the child suddenly loses consciousness, breathing stops, the complexion turns cyanotic, the pupils dilate, the limbs stiffen, and the hands clench into fists, then switching to paroxysmal convulsions, foaming at the mouth, with the attack generally lasting 1-5 minutes. Children with absence seizures appear to suddenly lose consciousness, stop their activities, and stare upward or roll their eyes, but they do not fall down or convulse, lasting 1-10 seconds, with consciousness quickly recovering after the attack. Benign childhood epilepsy seizures often involve twitching of one side of the face, lips, and tongue, possibly accompanied by abnormal sensations in those areas, inability to speak, and drooling, typically with clear consciousness, and more frequently occurring at night.