side effects to the drug actonel. Accurate, FDA approved Actonel information for healthcare professionals and patients - brought to you by Drugs. . Risedronate belongs to a group of medications called bisphosphonates. You may report side effects to Health Canada at 1-866-234-2345. Online resource for common Actonel side effects. A Study That Will Compare the Effect of Two Drugs on Patients With Low Bone Mass and a Recent Hip Fracture. . Patients. Pharmacodynamic consequence of multiple drug ... more