Help baby coughing and throwing up

Cheryl • Fri, May 26 • So blessed

My son will be 6months in a few days his got this cold and cough thats making him throw up hez breastfeed drinking well wet nappies just what can i do to help ease his cough. Im using humidifier at night vix rub on chest i know cant give below 1year honey. Please help me help my boy