Help.. Advice.. my 19m old all day has been sneezing and coughing (not that much) but before bed his throat was hurting…

Help.. Advice.. my 19m old all day has been sneezing and coughing (not that much) but before bed his throat was hurting and have him Tylenol and Motrin NO white bumps in throat. now he's sleeping and stuffy nose and breathing hard. what can I do to help