Is a blood pressure of 140 mmHg high for an 18-year-old?

High pressure refers to systolic blood pressure. A systolic blood pressure of 140 mmHg in an 18-year-old is generally considered high. The detailed analysis is as follows:

Systolic pressure typically refers to the lateral pressure exerted on the blood vessel walls by blood ejected from the ventricles when the heart contracts. The normal range is 90–139 mmHg. If an 18-year-old has a systolic blood pressure of 140 mmHg, which exceeds the normal range, it may be caused by physiological factors such as exercise, emotional excitement, fatigue, or coffee consumption, or by pathological conditions such as primary hypertension or secondary hypertension. If due to physiological factors, lifestyle and dietary adjustments can help—such as increasing physical activity, reducing sodium intake, quitting smoking, and avoiding alcohol. If caused by pathological factors, an 18-year-old patient may, under a doctor's guidance, use medications such as nifedipine controlled-release tablets, metoprolol succinate sustained-release tablets, or benazepril hydrochloride tablets for treatment.

If any physical discomfort occurs in daily life, it is recommended to seek timely medical evaluation at a hospital to determine the specific cause and receive appropriate treatment.