The box is designed to emphasize the dual function, while the color scheme invokes Nyquil and Dayquil packaging, with orange representing day use and blue, evening. The words Severe Cold and Flu ...

Hypertensive crisis with MAOIs. Increased risk of hepatotoxicity with ≥3 alcoholic drinks/day. β-blockers may increase the pressor effects of sympathomimetics. Antagonizes antihypertensives.