Symptomatic or severe hypertension

Patients treated with more than 2 antihypertensive medications

Clinically known or suspected history of secondary hypertension

Myocardial infarction, stroke, transient ischemic attack, cardiovascular revascularization/angioplasty in last 6 months

Diagnosis of heart failure (NYHA Class II-IV)

Chronic renal or severe hepatic disease

Efficacy of Valsartan/Hydrochlorothiazide Versus Amlodipine and Hydrochlorothiazide in Patients Hypertension