Thanks.

I don't know how the cans handle the car. This is kept in my garage. So far they seem OK as I cycle through them, maybe every 2-3 years. No dysentery yet

Meds - mainly just tylenol and motrin. Hardly worth getting in a tizzy over, and they were about 3 years out of date. I've got some in my bathroom if I really need it. In a true SHTF, I'm sure I'd be busy enough to ignore a caffeine headache or whatever.