Is it dangerous to have a high blood pressure of 162 and a low of 82?

A high pressure of 162 mm Hg and a low pressure of 82 mm Hg is classified as second-degree hypertension, which needs to be controlled with medication and which, if left untreated for a long period of time, can be harmful to the blood vessels and the vital organs of the heart, brain, kidneys, and so on.
Adults with systolic blood pressure higher than 140 mm Hg and diastolic blood pressure higher than 90 mm Hg are hypertensive, and this blood pressure is now classified as second-degree hypertension, which is characterized by elevated systolic blood pressure.
But the diagnosis of hypertension, but also need to dynamically monitor the blood pressure situation, to three consecutive days at different times to measure the blood pressure is higher than the normal level, only diagnosed as hypertension, so if only a measurement of blood pressure for 162/82, but also need to three consecutive days to monitor the blood pressure situation in order to diagnose.
Prolonged secondary hypertension can lead to atherosclerosis, left ventricular hypertrophy, hemorrhagic or ischemic stroke, and target organ damage such as renal impairment and retinopathy. If the diagnosis of second-degree hypertension is confirmed, it is necessary to go to the cardiovascular and cerebrovascular department of the hospital, and under the guidance of the doctor, regular use of medication to control the blood pressure stable.