NyQuil Sinex Nighttime Sinus Relief LiquiCaps relieves your worst nighttime sinus symptoms— nasal and sinus congestion, sinus pain, and sinus pressure.; Temporarily relives nasal and sinus symptoms including sinus pain, headache, nasal and sinus congestion, runny nose and sneezing.; NyQuil Sinex Nighttime Sinus Relief LiquiCaps relieve your worst nighttime sinus symptoms—congestion and sinus pressure.; When using DayQuil or NyQuil products, carefully read each label to insure correct dosing. Use as directed. Keep out of reach of children.