Does DayQuil Keep You Awake?

DayQuil is not designed to keep users awake, but it will not cause sleepiness, according to Vicks. DayQuil is a non-drowsy cold and flu relief medication that is made by Vicks and sold over the counter.

According to Vicks, DayQuil provides temporary relief from the most common symptoms of colds and flu. It is formulated to provide relief from nasal congestion, sore throat, minor aches and pains, headache, fever and cough due to minor bronchial and throat irritation. DayQuil is available in both liquid and LiquiCap versions.

DayQuil is a cough suppressant, decongestant and analgesic, according to Drugs . It contains acetaminophen, pseudoephedrine and dextromethorphan.