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Please explain the difference between pseudoephedrine and phenylephrine, in particular why one works better than the other at different times.
3 answers • 13 Jan 2010
... adding the theraflu or adding to cold water?
1 answer • 13 Mar 2012
If so would the military test for diphenhydramine and what are the levels allowed? I take it as a sleep aid, but I'd grown used to it and have ...
1 answer • 1 Oct 2013