Symptoms of Hypertension

In general, high blood pressure does not directly cause symptoms. When blood pressure is very high, it can cause symptoms such as headaches, dizziness, fatigue and ringing in the ears. However, it often causes no symptoms. Learn more ›

What Is High Blood Pressure? (JNC-7)

High blood pressure is known as the "silent killer" because it often has no symptoms. Left uncontrolled, high blood pressure can lead to heart disease, heart attack, stroke, kidney disease, or blindness. Making some lifestyle changes and taking any prescribed medication should keep your blood pressure under control.

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Heed the Warning of Prehypertension

Your blood pressure isn’t just a reading at your doctor’s office. It can predict your risk for heart attack, heart failure, or stroke. Simply put, the higher your blood pressure, the higher your risk for these and other deadly diseases.

Suppose you learn you have something known as prehypertension? Your blood pressure isn’t high enough to be called hypertension (high blood pressure), but it falls in the “high-normal” range. What does this mean for you?

Plenty. It means you’re most likely headed down the road toward high blood pressure, but you still have time to apply the brakes—and perhaps even make a U-turn—by adopting a healthier lifestyle.

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High blood pressure, or hypertension, is known as the "silent killer" because: