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I had throat infection, cold and fever. When I cough I got single drop of blood. I showed doctor, he told nothing to worry, after 2 days it again happened when I drunk hot lemon tea and water. Is this lung cancer? I am passive smoker because of my friends. Is there anything worry? Please help me out. Thanks in advance.

1 Doctor Answered
I had throat infection, cold and fever. When I cough I go...
If you are having repeated episodes of blood in sputum, you must get a bronchoscopy done after a course of antibiotics. Please review with bronchoscopy report if needed.
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