Why????????????????
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You cannot store prescription medications in anything other than the labeled bottle they are dispensed in. Don't ask me why. It's "the law". And as anyone here on this site that worships The Law will tell you, it doesn't matter if the law is right or wrong, because it's The Law, and if some FedGov whackjob with a gun decides to prosecute you over it, they bloody well can because there is a big difference between these cretins who work for the government (at just about any level) and you, and that's if you resist, they have no problem whatsoever with killing you for disobeying The Law.
Some even on this forum will cheer them on as they do so.