I think these things wrt to timing are different for everyone.
Dr Phillips had a baaaad case of brucella,
which he documents his battle with quite vividly in his book Chronic, might be worth a read. If I remember I think he may document some other abx he used to beat it.
Do you live in the south west? Sounds like you may have alpha gal syndrome w the red meat allergy from the bite of a lone star tick
i don't have the book dcd - have only followed him through his videos - i recall he does speak about
Brucella as being sometimes one of the harder infections to clear - but i thought he himself had a bad case of bartonella - rather than Brucella ?