A 30-year-old male asked:
skin test positive (20 mm) after 72 hrs., no afb on sputum, no cough/fever, but occasional blood in sputum (2-3/wk). doc says not to worry, should i?
1 doctor answer
Dr. John Chiu answered
56 years experience Allergy and Immunology
Yes: Your TB test is definitely very positive to TB and blood in sputum is always of concern. At the least, i think you need a chest x-ray tofind out what is going on since a negative AFB in sputum does not always rule out active TB and there may be other conditions which can cause the blood in sputum.
Answered on Aug 4, 2016
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