Hi welcome to the health care magic First it should be confirmed that blood is present in sputum and not in vomit... Bloody sputum cough can be from bronchitis, pneumonia consolidation or other respiratory problem It is better to consult pulmonologoist for examination.... -Auscultation -CBC -x ray chest -sputum examination only if needed According to cause specific treatment given Mostly antibiotic is sufficient for bronchitis If report suggestive allergic cough than levocetrizine or fexofenedine prescribed Take care Avoid smoking if habit Keep environment dust exposure minimum Hope I have solved your query