benadryl does. And nyquill. Allegra and claritin can as well (though to a lesser degree). thats not mentioning the 100s of prescription drugs that do. None

benadryl does. And nyquill. Allegra and claritin can as well (though to a lesser degree). thats not mentioning the 100s of prescription drugs that do. None of them need a roadside test, why does MJ?