Posted 12/24/2013 11:06 PM (GMT 0)
Habs, there was a recent post indicating that meds can still be used to up to 15 years. Sorry, can't find the post but you can search it. The main concern is also like what Cindy has said is potency and also the way it was stored; that's why they write an expiration date on boxes. I'm too using an expired pentasa box but it was due November 2013 and I can't feel any difference.