Nyquil contains ingredient which has antihistamine activity so you can skip Allegra dose next morning, especially if you feel drowsy. However, there is no serious interaction between these two drugs.
Answered 4/12/2022
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2 doctors weighed in across 2 answers
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
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