Nighttime Cough Liquid, Cherry Flavor, 8 oz, QC99661 Sale! This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Compare to the Active Ingredients in Vick's Nighttime Cough. Provides temporary nighttime relief from the common cold/flu symptoms including cough due to minor throat and bronchial irritation, runny nose, and sneezing. Cherry flavor. Alcohol 10% For ages 12 and over.