<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been coughing up blood lately. What could be causing this?  <response>: Based on your symptoms, you might have oral leukoplakia. This is a disease that causes white patches and lesions in the mouth, which can lead to bleeding and hemoptysis. Note: It is important to note that hemoptysis is not a common symptom of oral leukoplakia and may indicate a more serious underlying condition. 