I also have lower back pain and take physio now. It's better but i also have a desk job all day so I'm not sure these are related.
Praziquantel, how did you get your doctor to prescribe it? Have you taken any other pharmaceuticals? If you could provide journals or supporting links it would be great, I can print them off and take to doctor to get prescription my new MD is open minded as long as there is logic and backup to what we're doing.