Hi, my baby is 2 months old, his body temp is hot and if i check temprature its 98.5. His is making sound like um um um in both sleep and awake time.i please help me

A. when yoou take the temperature in the armpit of the child . . with the help of a digital thermometer and if it is 100 f or more then you consider it as fever or when you take the temperature in the oral cavity . of the child and if it is 99 degree fahrenheit then you consider it as fever and then paracetamol is given.