Febrile seizures are often triggered by a fever from a common childhood illness such as roseola, a viral infection that causes a high fever, swollen glands and a rash. 發燒痙攣通常由這些小孩子的疾病引發，諸如紅疹，病毒感染，扁桃體發炎以及皮疹。
It is a herpes virus that causes roseola -- an infection marked by high fever and the usual vague virus symptoms that may include respiratory or stomach problems. 皰疹病毒一般會導致紅疹，這種感染是伴隨著高熱和不大明確的病毒癥狀比如可能是呼吸道和胃腸疾病。