When blood pressure remains very low, or when there is a sudden, rapid drop in blood pressure, an individual's performance and health may be significantly impaired. While some patients with high blood pressure may have no symptoms, low blood pressure symptoms may prompt a patient to seek immediate medical attention. These symptoms may include:

If blood pressure becomes severely low, there is a danger that the body will not receive enough oxygen to carry out normal functions. Oxygen deprivation can result in impaired brain and heart functions, and difficulty breathing. With significantly low blood pressure, an individual can lose consciousness or go into shock.