Cara hilangkan kahak & hingus baby 1 month 27 days ?

Hi mommies, nk tnya cara hilangkan kahak & hingus baby 1 month 27 days ? kesian tgk mlm2 dgr bunyi he’s struggling to breathe dgn bunyi hingus tu. Taktau how he tibe2 ada hingus coz I still havent gone out since finished confinement on 29th Feb yang lalu. I ada guna Sterimar and penyedut hidung, tpi still mlm2 bunyi je hingus and kahak tu. He’s been crancky since then, pls advise some tips or should I consult doctor for further advise and medications ? Thanks mommies ❤️