[pyre]

> Something like $10k of his retirement fund gone because he had been laid-off and his insurance wouldn't cover this sort of thing.

This sounds like the sort of thing that one should sue over to recover the funds. This entire incident happened because:

> His doctor forgot about the potential interaction with another drug

it was the doctor's mistake that cost your father that $10k. That said, if your father gets all his prescriptions from the same pharmacy, I'm surprised that they didn't say something about it either.