Breast Cance
"Have been on Arimidex for 7 years as my oncologist says that the trial period has only been up to 5 years and she wants me to continue as extra insurance.  The only side effect that I have noticed beginning about a year ago is hair thinning, and it is starting to bother me.  Three of my friends who had started taking Arimidex the same time I did and who had other oncologists, were taken off the drug after 5 years.  They had noticed hair thinning during the time they were taking the drug and it has reversed since they stopped usage."