Hi , I was on Letrozole for one month, and was taken of it told not to take it anymore ...caused severe anemia white cells red cells and platelets all dropped ..have gotten 2 blood transfusions and thought i was going to die ...Now the oncoligists have taken a bone marrow biopsy to see what is going on ...but i dont have the results yet ..it all started when i started taking Letrozole ...never taking it again ...i have back pain and was only on it for one month ...starting to feel much better now xView Thread