Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Febrile seizures are convulsions caused by fever in small infants and children between 6 months to 6 years, characterized by a considerable increase in body temperature, often resulted from an infection. Having similar symptoms with epileptic seizures, febrile seizures are not dangerous for child s health, as stated by medical doctors. However, according to a new research a combination of diphtheria-tetanus-pertussis, inactivated polio virus and Haemophilus influenzae type b. vaccines, could slightly increase the risk of fever-related seizure in children. Learn more about febrile seizures, its causes and types in this book.