Dear Sir,
Since last 3 months I have cough. last month i had seen a general doctors. he has given me some blood test as well as chest x-ray and Cough test. my all the reports are OK. but doctor has treat this as asthma.
He has given inhaler and some medicine. I am cured almost now., but not completely. suddenly, to day morning i have noticed little blood came up with my cough. I have no addiction. I am working in a company as accountant. But I have cold and sinus problem.
So, please can u tell me what causes may coughing up blood.