Combo pack. Great value. 24 DayQuil Sinus LiquiCaps. 16 NyQuil Sinus LiquiCaps. DayQuil Sinus: Relief of Your Daytime Sinus Symptoms: acetaminophen - sinus headache and pain; phenylephrine - sinus pressure and congestion. Alcohol free/antihistamine free. NyQuil Sinus: Relief of Your Nighttime Sinus Symptoms: acetaminophen - sinus headache and pain; doxylamine - runny nose; phenylephrine - sinus pressure and congestion. Alcohol free. Made in Canada.