Your child or you can take Dayquil by mouth with water or another drink 15 minutes before going to bed or 30 minutes after waking up in the morning on an empty stomach (with no food). The medication works best when it is taken at night so that your child can get a full night’s s...
Take with food if it causes an upset stomach. What do I do if I miss a dose? If you take Vicks DayQuil Multi-Symptom Cold/Flu Relief (acetaminophen, dextromethorphan, and phenylephrine capsules and tablets) on a regular basis, take a missed dose as soon as you think about it. If it...