The risk with Google is that you can get the "horror stories" and not the success of the medication. All medication has potential risk factors, just look up panadol, but that doesn't mean we will experience the side effects. You could consider oral meds instead for osteoporosis such as fosamax but that can be a real hassle compared to 5 minutes at the Drs for an injection twice a year and takes longer to show improvement.
I guess you need to weigh up the risks.
1. You already know you have osteoporosis and a very real risk of future compression fractures of the spine with or without an aramatose inhibitor.
2. Find out the statistical improvement of recurrence of breast cancer with or without an aramatose inhibitor.
3. Understand how prolio actually works and reversal of issues if they do arrive. (I have included a link to a real clinical trial report. ..not easy reading but the conclusion helps.)
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3387828/#!po=32.56884. Find out ways you can improve your bone health on top of prolio for long term improvement. There is a on-line and face to face program you could do which will also help. I've included a link but there are probably more.
http://onero.com.auNot all women taking an aramatose inhibitor have major issues. Others do. But we actually won't know until we take it. I personally had stiff ankles and hands for a few months but it has improved and I hardly notice it at all now. Dryness was initially a problem too but my body has pretty much adjusted. I have osteopenia so am not entitled as yet to prolio but intend to have it once bone loss gets there. Having both a mother and grandmother and sisters with multiple fractures (unrelated to bc treatment but to osteoporosis ) their quality of life was seriously more effected by those effects than what taking the drug did (not started until after the fractures as they didn't know until then)
Best of luck with your decision. Kath x