Lotrial is mainly used to treat high blood pressure, as it works to lower high blood pressure, which helps reduce the risk of serious complications such as heart attacks and strokes. This drug is sometimes prescribed to treat cases of chronic heart failure, as it helps improve the efficiency of the heart's pumping of blood and reduces the burden on it.
Lotrial is also useful for some patients who suffer from health problems related to the kidneys, especially when they are caused by diabetes.