Olga called. She's 90+ years old.
She wanted to know if it is ok if she used some expired medication. I asked her what it was and how long it's been expired.
"It says here that it expired in 2012. It's a bottle of Cyanocobalamin." [She spelled it for me, in case you really thought someone outside of the pharmacy world can really say that word.]
"No, you can't use that. I'm sorry. I'll get you a new prescription. It's not expensive."
"What if I inject it? What could go wrong?"
"It's too old, Olga. It could be loaded with bad bacteria. I'll get you a new prescription and you can have it on the house, ok?"
"Well, all right. I still think I should be able to use this one."