Hi, My name is Eva and my son who is 6 and 1/2 years old started to have fevers on the 8th of January 2014. He had a bad cough, headache the first day, body aches and and according to the doctor his chest was not clear, so he gave him antibiotics (penicillin). By Saturday his fever was gone although he started to have runny nose and his cough got worse. Today his fever is back I check it quite often but it is all over the map. It is between 37.7C-38.4C. I do not understand what is going on, I think it is unusual. Thank you for you time.