question: My husband had TB 2 years back.He was cured fully after taking the full course of 6 monthys.Last Xray had some tatches on it.The doctor told that it will be like that.Now he got severe cough since 1 month,night fever was there also.He met the medicine specialist and he told it is upper respiratory problem.and given medicine for 3 days.Now fever is not there but cough continues.Please confirm whether it is 2nd attack of TB .Annama