Crossword clues for the word: NYQUIL The word NYQUIL has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for NYQUIL Showing 1 to 6 of 6 results Clue(s) Cold medicine brand introduced in 1968 Cold medicine brand since 1968 Cold remedy in LiquiCaps Cold/flu treatment brand Drug available in LiquiCaps Syrup that'll knock you out