If both drugs work on different principles (I like the sound of the surface tension principle, but then again, I like physics, so I probably would...), why not take both at the same time? Hedge your bets?
definitely...but sometimes weird **** happens, so do it under a physician's care.
as annoying as it was for me when mine was totally clogged, i would have done anything. (considering i already had tried beating my head flat on a table covered with towel while holding my nose and swallowing.)