Hello I am  student and was at Delhi for giving my upsc mains exam and there I got typhoid since  that  I am  suffering from typhoid  from past 3 months i was on antibiotics and took proper course for about 2 months  and still while sleeping i feel chest heaviness and weakness  in chest and stomach cramps but no fever so i had done widal test and typhidot test yesterday my typhidot test was negative (igm and igg) both but in widal test s typhi O was 1:160 and remaing three were 1:20 so it was positive so i want to ask i should do blood culture test to know exact medicine which will help me to remove typhoid bacteria from my body, your suggestions will be very helpful as my interview will be very soon and i don't know how to cure this as I took manymedicine from doctors and even changed 3 doctors since that   so please anyone help me me ,thankyou