helo doc my friend is suffering from tb , he is taking medicine from 5month , doc advised him to take medicine for 9 months, his dose was myrin p forte three cupsole , 1 inh 50mg, 1 vita 6 tab, after three month doc change his medicine to rimactal inh 300mg, n 1 vita 6, is it right treatment? he often suffers from itching of throat, is it due to tb, or pain , mild pain in the chest, he have showding wid cavitation in the left lung, right lung clear..