Nasal congestion everyday ni baby

Please help mga mommies na naka experience ng congestion sa babies nila since 1st week ni baby hanggang ngayon na turning 2 months na sya araw2 syang congested especially at night at madaling araw..naka fan lang yung AC at meron din humidifier pero walang effect..i also use salinase and aspirator, neozep drops at disudrin hindi talaga mawala..