Cilacar is actively composed of Cilnidipine drug, which belongs to the category of medicines called calcium channel blockers. Calcium is responsible for entering the arteries and heart cells, which results in the contraction of blood vessels. Therefore, Cilacar acts as a calcium channel blocker and efficiently works to inhibit calcium ions entering the heart cells and arteries. This process helps to dilate the blood vessels and pump blood properly, which reduces the risk of heart attack and strokes. One needs to take Cilacar regularly.