# FDA Approves Zydus Pharmaceuticals' Generic Calcitonin Salmon Injection The FDA has approved Zydus Pharmaceuticals USA Inc.'s generic calcitonin salmon intramuscular injection (ANDA215864), expanding treatment options for osteoporosis and Paget's disease patients. This approval is expected to increase competition in the calcitonin market and potentially reduce costs for healthcare systems and patients relying on this bone-metabolism therapy.