Both contain DM: Since both Delsym and Nyquil contain DM (dextromethorphan), taking both would easily give a patient too much DM. One can switch from one to the other, waiting 12 hours after a Delsym dose (twice-a-day medication) or 6 hours after a Nyquil dose (four-times-a-day medication). It's best to not buy meds that have same or similar ingredients.
Answered 11/27/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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