Theraflu Sinus and Pain Hot Liquid Powder Apple Cinnamon Flavor brings the heat to fight your worst cold and flu symptoms such as sinus congestion and sinus pressure with each power-packed dose. It also helps relieve runny nose, headache and sneezing. Dissolve a single packet of delicious apple cinnamon flavored powder into hot water to help relieve your worst cold and flu symptoms. Can be taken every four hours, if symptoms persist. Do not take more than 5 packets in 24 hours unless directed by a doctor. This medicine is intended only for adults and children 12 years of age and over.