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What is the difference between NyQuil and ZzQuil?

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  • What is the difference between NyQuil and ZzQuil?


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Answer #1 | 23/12 2013 07:37
ZzzQuil is simply diphenhydramine, an antihistamine ("Benadryl") that happens to cause drowsiness. Nyquil contains dextromethorphan, generic Tylenol, and possibly another ingredient.
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Answer #2 | 23/12 2013 07:23
Brand name
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