They don’t carry aspirin? I didn’t know that. In fact, I think that once or twice I was able to get an analgesic, either asprin or tylenol, while on Northwest and I definitely have gotten it from a non-US airline.
The medical privacy act a few years back (why you have to stand in line far away from the counter at the pharmacy) had some stuff in it about providing nonprescription medicine to others ~ it's a corporate NO NO.
We had to REMOVE aspirin, et al, from our office first aid cabinet. I kept the junk in my desk drawer though and everybody in the office knew where it was ~ acetomeniphine, aspirin, etc, Had 'em all, and the folks with the VA head injury project downstairs had a stash that'd stop an elephant!