What condition is hypertension of a unknown cause?

Hypertension of unknown cause is referred to as essential hypertension or primary hypertension. It represents the most common type of high blood pressure, accounting for approximately 95% of all cases. Essential hypertension typically develops over many years and is influenced by a combination of genetic, environmental, and lifestyle factors. The exact cause of essential hypertension remains incompletely understood, and it is considered a multifactorial condition.