anyone have a baby with bad post nasal drip? what did you do to alevate the runny nose? my little girl has ot bad i use…

anyone have a baby with bad post nasal drip? what did you do to alevate the runny nose? my little girl has ot bad i use salilen drops and an asparator at least 6 times a day im buying a humidifier tonight per her doctors suggeation. shes almostst 5 months.