Hello doc. I cough a bubbly blood. I have a ptb in my first chest x-ray but the second one I have a fibronodular infiltrates in my left upper lung. I always thought I have tuberculosis since I have some of the symptoms of it. But I am always negative to the sputum test. What should I do?

Dr. Sajeev KumarGeneral Physician34yrs exp

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If you have no tb from the cb natt test you can relax and get treatment fo other symptoms if needed cartridge based nucleic acid amplification test (cb-naat, genexpert,) is an automated cartridge-based molecular technique which not only detects mycobacterium tuberculosis but also rifampicin resistance within two hours and has been endorsed by who as an initial diagnostic test in children suspected of having tb.  

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