Claritin (loratadine) and NyQuil: While you are getting two antihistamines, loratidine is a non-sedating antihistamine and doxylamine is a sedating antihistamine. The doxylamine had a half-life of 6-12 hours, so some will still be in your system the next morning. It is probably ok, but i wouldn't push it.
Answered 2/19/2020
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