Quote Originally Posted by Dingo View Post
Exactly. My buddy has stuff in his anti-biotic stash that's over a decade, and still works like a charm. The only medicine I'm aware of that's actually dangerous past the expiration date, is anything in the tetracycline family.
According to my Pharmocopaeia book for example Doxycycline as it degrades over time creates a toxin that destroys your kidneys.

Know what you store and what it does inside and out and then, read more about it, I guess is the moral of the story.