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Drug Interaction Checker

Check interactions with multiple drugs, vaccines, supplements, alcohol, food and diseases.

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Tylenol Cold Head Congestion Nighttime (acetaminophen / chlorpheniramine / dextromethorphan / phenylephrine)
Vicks Dayquil Daytime Cold/Flu (old formulation) (acetaminophen / dextromethorphan / pseudoephedrine)