Per drug interaction checker at:http://www.drugs.com/drug_interactions.php Drug interaction results for the following 5 drug(s): acetaminophen (Ingredient of Nyquil Cold & Flu)
dextromethorphan (Ingredient of Nyquil Cold & Flu)
doxylamine (Ingredient of Nyquil Cold & Flu)
guaifenesin (Ingredient of Mucinex D)
pseudoephedrine (Ingredient of Mucinex D)
No results found - however, this does not necessarily mean no interactions exist. ALWAYS consult with your doctor or pharmacist.
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