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A member asked:
How long after taking promethazine dm (during the day) can i take nyquil to sleep at night? the promethazine isnt helping me sleep while im sick?
A doctor has provided 1 answer
Nyquil also contains an anti-histaminic. An 8 hour interval between taking the two medications should not cause problems. Wish you good health!
Answered 12/2/2022
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