Low blood pressure is a reading of less than 90/60mmHg. It does not always cause symptoms, but you may need treatment if it does. Get your blood pressure checked if you keep getting symptoms like: This might mean your blood pressure is too low. If you get symptoms when you stand up or suddenly change position, you may have postural hypotension. You can check your blood
pressure: Low blood pressure is a measurement
of less than 90/60mmHg. Regular blood pressure checkIf you're 40 to 74 years old, you should have your blood pressure checked at least once every 5 years as part of the NHS Health Check. Non-urgent advice: See a GP if:
Treatment for low blood pressure depends on the causeIf a cause can be found, a GP will be able to recommend treatment to ease your symptoms. For example, they may suggest:
Medicine to increase blood pressure is rarely needed because simple lifestyle measures or treating the underlying cause is usually effective. How to ease low blood pressure symptoms yourselfDo
Don’t
Causes of low blood pressureYour blood pressure can vary depending on the time of day. It gradually increases throughout the day. What you're doing and how you're feeling can also affect it. There are many possible causes of low blood pressure. It may be low because you're fit and healthy, or you may have inherited it from your parents. Some people develop low blood pressure as they get older. It can also be caused by:
Page last reviewed: 09 September 2020 Recent findings raise concerns about lowering diastolic blood pressure — the second number in your blood pressure reading — too far. Image: © Wavebreakmedia/Thinkstock More of us than ever before are taking medications to lower our blood pressure. Longstanding guidelines suggest that most people should aim for a systolic blood pressure (the first number in a reading) no higher than 140 millimeters of mercury (mm Hg). But in 2015, the results of the Systolic Blood Pressure Intervention Trial (SPRINT) suggested that reaching a target of 120 mm Hg could further reduce the risks associated with high blood pressure, including heart attack, stroke, heart failure, and death. Yet reaching that lower target often requires three blood pressure medications, which can increase the likelihood of side effects. Two observational studies and one clinical trial have raised concerns about lowering blood pressure — particularly diastolic pressure — too far. Diastolic blood pressure (the second number in a reading) represents the pressure between beats when the heart relaxes. "When your systolic blood pressure gets too low, it can manifest as lightheadedness, fainting, and weakness. But low diastolic pressure by itself doesn't have any symptoms," says Dr. Paul Conlin, professor of medicine at Harvard Medical School and chief of medicine at the VA Boston Healthcare System. What the studies found — and what they meanIn one of the observational studies, published Oct. 16, 2016, in the Journal of the American College of Cardiology, researchers analyzed the medical records of more than 11,000 adults collected over a period of three decades as part of the Atherosclerosis Risk in Communities (ARIC) Study. They found that people who had low diastolic blood pressure (60 to 69 mm Hg) were twice as likely to have subtle evidence of heart damage compared with people whose diastolic blood pressure was 80 to 89 mm Hg. Low diastolic values were also linked with a higher risk of heart disease and death from any cause over 21 years. For the second, published Oct. 29, 2016, in The Lancet, researchers analyzed data from CLARIFY, a registry of more than 22,600 people with heart disease from 45 countries. They determined that, compared with people who had systolic blood pressure of 120 to 139 mm Hg and diastolic pressure of 70 to 79, people with a systolic blood pressure of 140 mm Hg or higher were more likely to experience heart attacks or strokes, to be hospitalized with heart failure, or to die within a five-year period. But the same was true for heart attacks, heart failure, and death in people with low blood pressure (systolic pressure below 120 mm Hg and diastolic pressure under 70 mm Hg). In an analysis published online April 5, 2017, by The Lancet, German researchers pooled data from two clinical trials involving 31,000 men and women ages 55 or older who had cardiovascular disease or advanced diabetes. Participants were assigned to take either ramipril (Altace), telmisartan (Micardis, Activin), both drugs, or neither drug for about five years. The researchers determined that systolic pressures below 120 mm Hg and diastolic pressures below 70 mm Hg were associated with an increased risk of dying from heart disease or any cause compared with systolic pressures between 120 mm Hg and 140 mm Hg and diastolic pressures between 70 and 80 mm Hg. Diastolic pressures of less than 70 mm Hg were also associated with an increased risk of having a heart attack and hospital-ization for heart failure. Why diastolic pressure is important, tooThe findings about low diastolic blood pressure are intriguing, and they make sense intuitively, Dr. Conlin says. Diastolic pressure is measured during the point in the heart cycle when blood flows into the coronary arteries that feed the heart. When those arteries are clogged with fatty deposits, blood pressure beyond the narrowed areas will drop as blood works its way through the narrowed channels. As a result, part of the heart muscle may not get enough blood. Starved for oxygen and nutrients, the heart may become weak and prone to damage. What to do if you have high blood pressureIf you have heart disease, you may want to check that your diastolic blood pressure doesn't fall too far below 70 mm Hg, which can happen when you try to reach a low systolic number. "For a systolic blood pressure goal, I tend to be comfortable with a value of around 130," Dr. Conlin says. Going lower than that carries an increased risk of side effects and other adverse events. Everyone is unique. Your medical history, current state of health, lifestyle, and willingness to take additional medication and accept certain risks all play a role in determining your blood pressure goal and how to achieve it. Talk to your doctor about the strategy that makes the most sense for you. How low can the bottom number of blood pressure go?The lowest acceptable diastolic blood pressure is above 60 mm HG. If it's close to 60, you should speak to your doctor about it, especially if you have any symptoms of hypotension. How do you raise a low diastolic blood pressure?
Why is my bottom number on blood pressure low?If you have a low diastolic pressure, it means you have a low coronary artery pressure, and that means your heart is going to lack blood and oxygen. That is what we call ischemia, and that kind of chronic, low-level ischemia may weaken the heart over time and potentially lead to heart failure.
How do you raise the bottom number of your blood pressure?Lifestyle and home remedies. Drink more water, less alcohol. Alcohol is dehydrating and can lower blood pressure, even if drinking in moderation. ... . Pay attention to body positions. Gently move from lying flat or squatting to a standing position. ... . Eat small, low-carb meals. ... . Exercise regularly.. What is the best bottom number for blood pressure?A normal blood pressure is at or under 120 systolic over 80 diastolic. If your blood pressure reading is at or under 120 over 80, you have healthy blood pressure and you can keep doing what you're doing.
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What is too low for bottom number of blood pressure
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