<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been having these strange symptoms lately. My vision has been diminishing, my face feels weird, I have been feeling nauseous, and I have a constant headache. What could be happening to me?  <response>: It is possible that you could be suffering from migraine headaches. The symptoms you have described are typical of this condition. We can explore treatment options to help alleviate your symptoms. 