<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been feeling really sick lately. I am experiencing depressive and psychotic symptoms, as well as feeling nauseous and dizzy. What could be causing this?  <response>: Based on your symptoms, it is possible that you are suffering from hyperkalemia, which is a condition that occurs when there is too much potassium in the blood. It can cause a variety of symptoms, including the ones you have described. We will need to perform some tests to confirm the diagnosis. 