A febrile seizure is a convulsion in a young child caused by a sudden fever, typically over Symptoms include loss of consciousness, stiffening, and jerking of the limbs. These seizures are usually short, lasting less than 15 minutes, and are categorized as either simple or complex. They are generally harmless and do not cause long-term brain damage or increase the risk of epilepsy, but it is important to contact a healthcare provider if the child is difficult to wake up or is injured Causes and