Medicated Chest Rub, 4 oz, QC95230 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 Vicks VapoRub. Temporarily relieves throat and chest, cough, and nasal congestion due to the common cold and the flu. Temporarily relieves minor aches and pains. Use as a topical application or a steam inhalation.