Nicardia Retard 30mg Tablet SR is a medication utilized to treat high blood pressure (hypertension) and to prevent angina (heart-related chest pain). It has a place with a class of medications known as calcium channel blockers. It lowers blood pressure and reduces the workload of the heart. This helps prevent heart attacks and strokes. Nicardia Retard 30mg Tablet SR may be recommended alone or along with other medications. The dose and how often you need it will be decided by your doctor so that you get the right amount to treat your condition. Your doctor may adjust the dose depending on how you respond to this medication and your blood pressure levels. You can take it at any time of the day, with or without food, but it is best to take it at the same time each day. Take this medication as soon as you have taken it out of the packet. It is sensitive to light and may not work properly if it is left out of the pack for too long.