Zoledronic Acid Injection, marketed as ZOLEJAS-4, is a powerful bisphosphonate medication used primarily for the treatment of osteoporosis, Paget\'s disease, and to prevent skeletal-related events in patients with certain cancers. This intravenous injection works by inhibiting bone resorption, which helps to strengthen bones and reduce the risk of fractures. ZOLEJAS-4 is typically administered once a year, providing a convenient dosing schedule for patients. Its effectiveness in maintaining bone health makes it a vital option for individuals at risk for bone-related complications. Always consult with a healthcare provider for appropriate use and to discuss potential side effects prior to treatment.