the problem with kerosene is that it has low surface area so it enters the respiratory tract
You need to consult a doctor to get him checked.
the hearing part will come back but it will take around 2-3weeks.it occurs because of eustachian tube dysfunction
. A tube connecting back of nose to middle part of ear.
decongestant medicine can be taken for that, you can consult your doctor for that
in doubt do reply