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 ...
Guaifenesin is a common ingredient. Combination cough and cold medicines. Some medicines mix ingredients such as antihistamines, decongestants, and/or pain relievers with cough medicine.