Hypotension, also called hypotension, is blood pressure below 90/60 millimeters of mercury. Many people are asymptomatic. When it causes symptoms, they are usually troublesome, such as dizziness or fainting. Low blood pressure can be dangerous in some cases, so early diagnosis and treatment is important. Hypotension or hypotension is a condition in which blood pressure is much lower than expected. It can occur as an independent condition or as a symptom of various medical conditions. It may not cause any symptoms, but if it does, you may need to see a doctor. His blood pressure remains low for over three minutes when he stands up from a sitting position. (Temporary drops in blood pressure when changing positions are normal, but not very long.) The drop must be at least 20 mm mercury at systolic (upper limit) and at least 20 mm Hg at diastolic (lower limit). It is also called orthostatic hypotension because it occurs with changes in posture. Normally, your body automatically regulates your blood pressure and prevents it from dropping too low. When your heart rate starts to slow down, your body tries to compensate by increasing your heart rate or constricting your blood vessels to constrict them. Symptoms of hypotension occur when the body cannot compensate for the drop in blood pressure. For many people, low blood pressure causes no symptoms. Many people don't realize their blood pressure is low unless they have their blood pressure checked. The effect on a symptomatic person depends on why hypotension occurs, how quickly it develops, and what causes it. Because blood pressure usually falls slowly, low blood pressure becomes more common with age. A sudden drop in blood pressure means that a particular part of the body is not getting enough blood. This can have unpleasant, destructive, and even dangerous effects. Low blood pressure can affect people of all ages and backgrounds, depending on why it occurs. However, it is more likely to cause symptoms, particularly orthostatic hypotension, in people over the age of 50. It can also occur (without symptoms) in very physically active people, and this is more common in younger people. It is impossible to know if a person is affected. However, orthostatic hypotension seems to become more common with age. It is estimated that by age 50 he will develop it in 5% of people, but by age 70 the number rises to over 30%. Conditions like Parkinson's disease can affect how the nervous system controls blood pressure. People who suffer from low blood pressure due to these conditions may feel the effects of low blood pressure after eating because their digestive system uses more blood to digest food. Too late and you may have low blood pressure. Advanced heart failure (weakness of the heart muscle) is another cause. Low blood pressure can occur with medications that treat blood pressure, heart failure, erectile dysfunction, neurological problems, depression, and more. Do not stop taking prescription drugs unless directed to do so by your doctor. Orthostatic hypotension can occur during the first and second trimesters of pregnancy. Bleeding and other pregnancy complications can also lead to low blood pressure. Too hot or too cold can affect low blood pressure and make its effects worse. No, hypotension is not contagious, so you can't get it from another person or pass it on to someone else.