But there are specific kinds that are best: “Cough medicines that contain guaifenesin and dextromethorphan should be okay for a short time,” says Meleen Chuang, MD, the chief of obstetrics and ...

"Comparatively, phenylephrine [sold as Sudafed PE] is only affected when taken via nasal spray ... guaifenesin (Mucinex) can help loosen mucus if you have a productive cough," explains Dr. Connor.

Dextromethorphan HBr 5mg, guaifenesin 100mg; per packet; orange creme flavor; contains (phenylalanine 2mg, magnesium 6mg, sodium 2mg) per packet. Empty entire contents of packet onto tongue and ...

is one of the top-recommended cough treatments for people who are pregnant. Guaifenesin: helps clear lung and chest congestion and is also safe to consume while pregnant, according to Dr. Silver.