A fever is an elevation in a person’s body temperature and actually it can be any temperature above which is considered normal (98.6 Fahrenheit/37 Celsius for an oral measurement or 99 Fahrenheit/37.2 Celsius for a rectal one). Keep in mind that those numbers are average and a person’s normal body temperature can vary by one degree Fahrenheit (0.6 Celsius) in either direction. Fevers are common indications of illness, but they are sometimes necessary for fighting infections. It becomes serious if the fever goes over 104 Fahrenheit (40 Celsius).How to Treat a Fever: MedicationsGenerally speaking, fevers don’t need to be treated unless they cause discomfort. You don’t need to wake up a child or adult to treat their fever unless a doctor says to do so.1. OTC MedicationsAcetaminophen. This includes Tylenol. Ask your doctor about the correct dosage for children. Adults without health problems like liver disease can have two “extra strength” tablets (1,000 mg) each six hours.Ibuprofen.It sho...