First on the list of duds was ZzzQuil, an over-the-counter sleep aid from the makers of DayQuil and NyQuil. Sold as a syrup, ZzzQuil contains the active ingredient diphenhydramine, an ...
Diphenhydramine HCl 50mg; per 30mL; warming berry flavor; contains sodium 23mg/30mL and alcohol. Potentiates CNS depression with alcohol, other CNS depressants. Concomitant other diphenhydramine ...