Hello @aladdin1. I am sorry you have been experiencing back pain following your third shot. I wanted to help you connect with others who have experienced side effects from Tymlos so you will notice I have moved your post here:
- Tymlos side effects I've encountered: https://connect.mayoclinic.org/discussion/tymlos-side-effects-ive-encountered/

I see that a few members have joined you already, so will let you connect.