Gravol: Gravol has 50 mg of Benadryl which is an antihistamine. Nyquil has an antihistamine, so hope the combination will help. You are younger so this should not be too much of an issue. The main side effect would be drowsiness. Hopefully if works.
Answered 8/20/2019
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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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