TT is type of leprosy
and it take long time to cure
but it is curable now
spot may last up to years
but i dont know why he has given in ur test as ur biopsy
is normal .
there is alter sensation of touch and temperature in leprosy case
if they are alter then she need to start these medicine
this is major disease and it is legal duty of doctor to inform about it
please consult him again and ask for explanation why he has started it
better to consult other dermatologist
before starting medicine .