A 37-year-old female asked:
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i took nyquil approximately two hours ago to relieve my cough, but to no avail. i was prescribed iophen c n r. how long do i need to wait to take rx?

1 doctor answer
Dr. Al Hegab
Dr. Al Hegab answered
39 years experience Allergy and Immunology
Which nyquil?: At any rate most nyquil preparations contain an antihistamine which would interact with the iophen C-NR and cause CNS depression, kindly call/see your doctor, good luck
Answered on Apr 24, 2016

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