### Patient: Doctor, I have been experiencing severe dryness in my mouth for the last few weeks. What could be causing this?
### Doctor: Well, based on your symptoms, it's possible that you have aplastic anemia. Aplastic anemia is a condition where your bone marrow does not produce enough new cells, leading to a deficiency in red blood cells, white blood cells, and platelets. One of the symptoms of this condition is a decrease in saliva production, which can cause dryness in the mouth.