My mum would have been fast friends with yours.
Though she did have a rule that fever was the one ticket out of school.
And then she'd tell us stories about how when she was little she would put the thermometer next to a hot light to get out of school.
I had something that I took while growing up that we called "Green Medicine." It was a liquid antihistamine. I loved my green medicine. Turns out they banned it later because it had some kind of cocaine in it.