The recommended adult dosage for DayQuil Cold and Flu liquid medicine is 30 milliliters every four hours, according to Vicks. The recommended adult dosage for DayQuil Cold and Flu LiquiCaps is two gel tablets every four hours
Vicks manufactures two forms of DayQuil Cold and Flu: liquid and gel tablet. This product provides nondrowsy relief from congestion, sore throat, cough, headache, fever, and minor aches and pains. Vicks reports that the active ingredients in DayQuil Cold and Flu are acetaminophen, dextromethorphan and phenylephrine. Individuals should not exceed four does in a 24-hour period. This product should be taken only as directed.