Normal blood pressure is considered to be less than 120/80 mm Hg. With 24-hour monitoring or frequent home blood pressure monitoring, daytime normal blood pressure is defined as an average blood pressure less than 135/85 mm Hg. If your numbers are higher than this, it does not mean you have high blood pressure. Blood pressure can change in response to exercise, stress, medication, illness, and even the time of day. It’s important to take several readings over time in order to make an appropriate diagnosis.
According to guidelines from the American Heart Association (AHA) and the American College of Cardiology (ACC), a reading below 120/80 mm Hg is classified as normal blood pressure. Those with a blood pressure reading anywhere from 120/80 up to 129/80 are classified within a category called elevated blood pressure. Hypertension is defined as a reading of 130/80 or higher.
Metformin treatment of people at a prediabetes stage of risk for type 2 diabetes may decrease their chances of developing the disease, although intensive physical exercise and dieting work significantly better for this purpose. In a large U.S. study known as the Diabetes Prevention Program, participants were divided into groups and given either placebo, metformin, or lifestyle intervention and followed for an average of three years.
But it’s not all bad news. Yes, hypertension contributes to a lot of serious conditions, but blood pressure treatment options are very effective. And the first step, of course, is knowing if you have high blood pressure. You can check your blood pressure for free at many pharmacies nationwide. CVS “Minute Clinics” and Walgreens Blood Pressure screening both offer in-store blood pressure test.
A systolic pressure range of 120 to 139 and a diastolic pressure range of 80 to 89. Diagnosis with prehypertension provides an opportunity to work hard-through physical activity, diet, and possibly medication-to reduce blood pressure to a healthy level. Within four years of diagnosis with prehypertension, one in three adults ages 35 to 64 will develop definite high blood pressure. One in two adults over age 65 will develop definite high blood pressure.
It is important to go to your regular check-ups with your doctor. Hypertension is a common condition and, if caught, can be treated with medication to prevent complications. However, if you experience any of the symptoms of hypertension, such as frequent headaches, recurrent dizziness, nosebleeds, shortness of breath, nausea or vomiting, don't wait—speak to your doctor immediately.
If diet and exercise are not sufficient to lower blood pressure, the first medications recommended are often diuretics or so-called "water pills." These reduce sodium and fluid levels in the body to lower blood pressure. Taking diuretics means you will urinate more frequently. Sometimes, diuretics deplete potassium levels as well, which can lead to muscle weakness, leg cramps, and tiredness. Other side effects of diuretics can include elevated blood sugars in people with diabetes. Less commonly, erectile dysfunction can occur.
On average, diabetics are found to produce two to three times more glucose in their liver than non-diabetics. Metformin effectively suppresses glucose production in the liver. Metformin also makes cells more sensitive to insulin. Experts agree that diabetes starts with insulin resistance. Insulin is the courier that carries glucose from your food into cells. When cells resist, insulin is not able to deliver sugar into muscle and fat cells. Sugar then backs up in the bloodstream instead.
Lean, M. E. J., Leslie, W. S., Barnes, A. C., Brosnahan, N., Thom, G., McCombie, L. … Taylor, R. (2017, December 5). Primary care-led weight management for remission of type 2 diabetes (DiRECT): An open-label, cluster-randomised trial. The Lancet, 391(10120), 541–551. Retrieved from https://www.thelancet.com/pdfs/journals/lancet/PIIS0140-6736(17)33102-1.pdf
2. How did I get the numbers? I started with the commonly seen "Systolic/ Diastolic pairs" seen in the literature - 200/120, 160/100, 140/90, 120/80 and 90/60. From there, I interpolated and extrapolated all the other numbers. Note that these are AVERAGE relationships. For instance, instead of 140/90, your BP may be 140/100, or 140/80. Each individual will have a unique systolic-diastolic relationship. If your S/D difference varies significantly from the averages shown above, this can be helpful in assessing your particular cardiovascular condition.
There have been a significant number of studies on metformin’s risk of inducing lactic acidosis — a state in which lactic acid builds up in the body, which can be fatal. But the greater majority of studies concluded without any cases of lactic acidosis according to “The Phantom of Lactic Acidosis due to Metformin in Patients With Diabetes” in the American Diabetes Association’s (ADA) Diabetes Care journal.
Pulmonary hypertension is caused by changes in the cells that line the pulmonary arteries. These changes cause the walls of the arteries to become stiff and thick, extra tissue may also form. This can reduce or block blood flow through the blood vessels. Increased blood pressure is then caused because it is harder for blood to flow. Pulmonary hypertension can be an associated condition with scleroderma, sarcoidosis, pulmonary embolism, and dermatomyositis.