Save when you buy Day & Night Sinus Relief compared to buying individually. DayQuil (24 LiquiCaps): Relief of your daytime sinus symptoms: Acetaminophen - Sinus headache and pain; Phenylephrine - Sinus pressure and congestion. Non-drowsy. Alcohol free/Antihistamine free. NyQuil (16 LiquiCaps): Relief of your nighttime sinus symptoms: Acetaminophen - Sinus headache and pain; Doxylamine - Runny nose; Phenylephrine - Sinus pressure and congestion. Alcohol-free. Made in Canada.