Losartan (K) is primarily indicated in conditions like Congestive heart failure, Diabetic nephropathy in type 2 diabetes mellitus, Hypertension, Myocardial infarction, Primary ovarian cancer, and can also be given in adjunctive therapy as an alternative drug of choice in Hypertension with left ventricular hypertrophy, Hypertension, including patients with left ventricular dystrophy.