I had the 1st of 2 Y90 treatments 5 days ago. Worst part is the severe nausea I am experiencing; no other side effects related to "lost" beads. Waiting for a script to help with the nausea. Constipation was an issue, but I think that was mostly due to anesthesia. Hopefully the treatments will be successful, if so, the severe nausea will have been worth it.