High blood pressure can be difficult to detect because there are often no symptoms. The only way to know for sure if you have high blood pressure is to have your blood pressure checked by a doctor. You may be at risk for high blood pressure if you are overweight, eat a lot of salt, or have a family history of hypertension. High blood pressure is a serious condition that carries a higher risk for heart attacks and strokes.To monitor your blood pressure at home, purchase a blood pressure gauge from your local drugstore or online retailer. You can use this device to check your blood pressure daily and keep track of any changes. If you find that you have high blood pressure, see your doctor right away. High blood pressure can be managed with lifestyle changes and medication.