I don't do fevers terribly well - I hallucinate and do weird things.
I don't do Codeine based medicines very well - I hallucinate and do weird things.
So a few years back, when I had a major bout of flu, which included a really nasty ear infection as a Bonus Extra, The Doc prescribed me some Coproximol for the pain.
Once my temperature hit 104F, I was as high as a kite; and at one point was attempting to ski in the kitchen. I believe I also tried to pull Mrs S' sister, though sadly I have no recollection of that.
Of course, the fever I had when I had chickenpox (when I was 30 - it wasn't pretty) was the worst. I completely lost a fortnight of my life somewhere.