Currently the top comment says "Basically, in our experience, anything below 38.4 °C could just as well be caused by any of a number of non-fever conditions at something like a 90 % confidence level" ... which is panicky territory for me. But anything under 38 is fine.
Well, if I have anything above 37.5C, I definitely feel ill. If you call that fever, or something else, feels hypocritical to me. Luckily, this stuff is a continuum. Still remember the 40.6C as a child, as my sense of equilibrium completely went bonkers and I start to hallucinate.
Currently the top comment says "Basically, in our experience, anything below 38.4 °C could just as well be caused by any of a number of non-fever conditions at something like a 90 % confidence level" ... which is panicky territory for me. But anything under 38 is fine.