I keep everything, but if it's a matter of disposing of medicine then I have to second what Keeper said. Throwing them in the trash or the latrine is environmentally irresponsible.
Having the medicine around just in case does come in handy though. There may be times that I have leftover painkillers, and they help with obstructions or other unbearable days. I have a whole container of asacol left...you never know.
Diagnosed with Crohn's in May of 2008.
Currently taking: Prednisone, pentasa, omeprazole, and humira. Using probiotics and a multivitamin.bonniegriffith.blogspot.com/
Learning how to live again.
"He who has a why to live for can bear with almost any how."