What is risedronate?Risedronate is in group of medicines called bisphosphonates bis FOS fo nayts. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your health care professional. For at least the first 30 minutes after taking risedronate tablet, do not lie down or do not eat or drink anything other than plain and do not take any other medicines including vitamins, calcium, or risedronate generic fedex antacids. Calcium carbonate and risedronate is only part of complete program of treatment that may also include diet changes, exercise, and taking vitamin supplements. Histologic evaluation 103 showed no osteomalacia, impaired bone mineralization, or other adverse effects on bone in ACTONEL-treated women. The chemical name of risedronate sodium is 1-hydroxy-2- 3-pyridinyl ethylidene bis phosphonic acid monosodium salt.