polycythemia
/ˌpɑlɪsaɪˈθimiə/
noun
- A medical condition in which the body produces too many red blood cells, making the blood thicker than normal.
- Treatment for polycythemia often includes removing some blood to reduce the thickness.
- The doctor diagnosed him with polycythemia after his blood test showed a very high red blood cell count.
- People with polycythemia may experience headaches, dizziness, and a flushed face.
Antonyms