Tildiem Retard is a brand name for a medication that contains diltiazem hydrochloride as its active ingredient. It belongs to a class of drugs known as calcium channel blockers, which work by relaxing the muscles of the heart and blood vessels. Tildiem Retard is specifically formulated to release the drug slowly into the body, hence the term "retard" indicating its extended-release properties. This medication is primarily used to treat hypertension (high blood pressure) and to prevent angina pectoris (chest pain). By lowering blood pressure and reducing the workload on the heart, Tildiem Retard helps to prevent strokes, heart attacks, and kidney problems. It is important to follow the prescribing doctor's instructions closely when taking this medication to ensure its effectiveness and to minimize potential side effects.