Calcium-Jayson 5ml is a calcium salt. It is used to treat calcium deficiency (hypocalcemia) in the body, thereby reducing the risk of calcium disorders. Calcium-Jayson 5ml must be administered by a healthcare professional. The course of the medicine must be completed. This medicine is usually well tolerated. However, if you experience any side effects you must consult your doctor. Tell your doctor before taking the medicine if you have any kidney disorders.