hi, My husand has cough ,doctor tested his blood ,he was diagonised TB positive one month ago, but the 3 times phlegm test was negativehe .The phlegm culture result has not come out yet. he was given TB medicines. Right now, he has sevious headache everyday, he can not continue to work now. what should we do about the headache? he is an computer engineer. he can not continue to work with these headache