https://www.babybonus.msf.gov.sg/parentingresources/web/Newborn/NewbornIllness/NewbornAllergies/Newborn_Cough?_afrLoop=23023451116188945&_afrWindowMode=0&_afrWindowId=null#%40%3F_afrWindowId%3Dnull%26_afrLoop%3D23023451116188945%26_afrWindowMode%3D0%26_adf.ctrl-state%3D14swybgy0l_4
Try use balms for baby below 3months. Bath ur lo regularly. My experience on four kids. I bath them once i found out they having cough or flu. One day three times and voila it works for me.
Alice