
irritation of the throat from violent
coughing,
blood clot in the lung, bronchiectasis, bronchitis, cancer, cystic fibrosis, inflammation of the blood vessels in the lung, nosebleeds, pneumonia, tuberculosis or inhaling blood into the lungs. Are there any other signs or symptoms present? Chest x-ray, complete blood count and complete medical and physical examination is needed to help with the diagnosis.