<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been experiencing elbow weakness, neck pain, elbow cramps or spasms, and low back weakness. What could be wrong with me?  <response>: Based on your symptoms, you may have a condition called Spherocytosis. It?? a rare genetic disorder that causes red blood cells to become spherical in shape and break down prematurely. This can lead to anemia and other complications. Its important we do further tests to confirm the diagnosis and discuss a treatment plan. 