The appearance of blood in sputum can cause fear in many, as it immediately draws attention to serious lung diseases. However, it is important to know that the presence of blood in sputum can occur for many other reasons, not just due to lung problems. The most important thing to do in such cases is for the affected individual to consult a doctor as soon as possible, as accurately diagnosing the underlying causes is a professional task. Investigating the Causes of Hemoptysis Discovering the causes behind bloody sputum requires a thorough medical examination. Doctors first analyze the patient’s medical history, then conduct a physical examination, and may also employ imaging…