Help! Home remedies for cough and cold of 2 weeks old baby

Im a firts time mom My LO is 2 weeks old and may ubo sipon sya that can cause of his difficult breathing. Napa check na nmin sa hospital okay nman x-ray nya and other labs. Kaso wala po binigay na gamot for his cough and cold. Baka po may alm kayo home remedies super worried talaga ko sa LO ko