Table of Contents I. Understanding High Blood Pressure II. Stages of High Blood Pressure III. Most Common Causes of Increased Blood Pressure IV. When to See a Doctor V. Medications for High Blood Pressure What is High Blood Pressure? High blood pressure (hypertension) describes a condition where your blood exerts too much pressure against your arterial walls. This condition is dangerous because it can affect you for years without causing any noticeable symptoms. Over time, untreated hypertension