He can be flushed out if you snort water up and then out the nose. This makes no sense to me. People turn into rats, pigs and monkeys. One wing of a fly has poison but the other wing has the antidote to it. We should drink camel urine as a medicine.
Fevers are from the fire of hell and can be cooled by water.
Only the Hadith gives us answers to these questions. From Bukhari vol. Some of the Companions of Muhammad were killed in battle and whatever surahs they had memorized died with them. Abu Bakr asked Zaid to collect the fragments of the Qur'an and arrange them into a manuscript. Zaid hesitated because the task was harder than sifting through an entire mountain.