Oral cold and cough medicine containing a popular decongestant was pulled from some U.S. pharmacy shelves this week. This comes after a panel of experts said phenylephrine is no better than a dummy pill at relieving congestion. But what actually works to treat cold symptoms? Family doctor and CBC Radio house doctor Dr. Peter Lin provides tips on how best to treat a cold or cough, and weighs in on popular home remedies. For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday.