Paracetamol vs Ibuprofen: How to Choose for Fever in Children?

Both paracetamol (acetaminophen) and ibuprofen are used as antipyretic (fever reliever) and analgesic (for mild-moderate pain), especially in children. But how safe are they? How can we determine when to choose paracetamol and when to choose ibuprofen? We will discuss about it here.