@makko77 You cannot just take a drug holiday from Prolia like you can with a drug like Reclast or the other bisphosphonates, because of the rebound effect. The problem with Prolia is that once you stop taking it, the osteoclasts (the cells that breakdown bones which had been dormant) will now be super active and start breaking down bones at a higher rate, leading to fractures. I would take your doctor’s advice and go on ReClast to help with the rebound effect.
Here is a video I found from Margaret Martin and Dr. Rubin about Prolia;