A 31-year-old member asked:
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what happens if i take allegra (fexofenadine) and nyquil together?

1 doctor answer
Dr. Michael Zacharisen
32 years experience Allergy and Immunology
Yes: While nyquil contains multiple ingredients that also includes an antihistamine, the addition of 1 Allegra (fexofenadine) (also an antihistamine) will not be harmful.
Answered on Oct 20, 2020
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Cautiously: Be very careful as there may be increased side effects like drowsiness.
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Allegra (fexofenadine) and NyQuil: Hello. You can take Allegra (fexofenadine) and nyquil at the same time. No worries.
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NO: I wouldn't.
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Should be ok: That should not be a problem
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