Most common side effect seen with bisphosphonates: (A) Cholelithiasis, (B) Constipation, (C) Erosive esophagitis, (D) Osteonecrosis
Answer is C. -Bisphosphonates like alendronate and risedronate are used for prophylaxis and treatment of osteoporosis. -Esophagitis is their distinctive side effect. -Precaution is to be taken while taking the drug is to take it with full glass of water and in a sitting/ standing position.