👉 Talitol is a drug that belongs to the class of potassium channel blockers. It was approved for use in 1987 and is used to treat heart failure, which is a condition where the heart has difficulty pumping enough blood throughout the body. The drug works by opening the sodium channels in the walls of the heart's muscle cells, allowing more sodium ions to flow into the cell, which helps to increase blood pressure. This can help to improve circulation and reduce the workload on the heart