Cardichem 6.25mg Tablet is a medication used to treat excessive blood pressure, angina, and heart failure. Cardichem 6.25mg Tablet works by inhibiting the action of certain substances on the heart and blood vessels. It lowers your heart rate and allows the heart to beat with less force. This decreases your blood pressure and reduces your chances of having a stroke, heart attack, other cardiac problems, or kidney problems in the future. To be successful, this medication must be taken on a regular basis, therefore continue to take it even if you feel OK. Do not quit without consulting your doctor.