Seizures for more than 24 hours need to be discussed in terms of situations, recurrent seizures within 24 hours and seizures lasting for 24 hours, the two situations lead to different consequences. 1. Frequent seizures: Epilepsy with recurrent seizures within 24 hours and conscious when not having a seizure is considered to be frequent seizures. Frequent seizures can lead to cerebral ischemia and hypoxia, which affects brain function and can lead to symptoms such as unresponsiveness and depression. 2. Persistent status epilepticus: It is rare to have a seizure that lasts for 24 hours. Generally, a seizure that lasts for more than 30 minutes is considered to be persistent status epilepticus, which can lead to permanent brain damage, and has a high fatality and disability rate. If a seizure occurs, seek medical attention and treatment from your doctor.