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Most experts define low blood pressure as a reading lower than 90 for systolic pressure and lower than 60 for diastolic pressure, according to Mayo Clinic. Only one of the numbers needs to be in the low range for the overall blood pressure reading to be considered low.


A low blood pressure reading may be the result of hypotension, which is chronically low blood pressure, according to the American Heart Association. However, prolonged bed rest, pregnancy, a decrease in blood volume, certain medications and heart problems can also cause low blood pressure readings.


Low blood pressure, or hypotension, occurs when a person's blood pressure measures below 90 for systolic and 60 for diastolic, according to WebMD. Having just one number below these given figures is enough for a person to have hypotension.


Symptoms of low blood pressure include dizziness, blurred vision, nausea, fatigue, and cold, clammy and pale skin, according to Mayo Clinic. Depression, thirst, fainting and rapid, shallow breathing are other symptoms of hypotension.


Dehydration sometimes causes low blood pressure, according to Mayo Clinic. Dehydration can lead to a life-threatening condition known as hypovolemic shock. The low blood volume reduces the oxygen supply to tissues and, if untreated, can cause death. Other causes include blood loss and heart problems


The most effective treatment for low blood pressure or hypotension depends on the severity of a patient's signs and symptoms, as well as the type of hypotension he has, according to the National Heart, Lung and Blood Institute. Once a person exhibits signs or symptoms of hypotension, such as dizzine


To treat low blood pressure, doctors typically suggest making lifestyle and eating plan changes based on the cause of a patient’s symptoms, according to WebMD. People with low blood pressure should drink plenty of water, reduce alcohol consumption and regularly exercise for better blood flow.


Low blood pressure is remedied by change of diet, lifestyle changes and medication, states WebMD. Suitable treatments for low blood pressure are determined by the specific cause of low blood pressure in each individual.


If a person has a blood pressure reading that is 85/55 millimeters of mercury or lower and experiences dizziness, fatigue or fainting spells, then this can be indicative of low blood pressure or hypotension, states the American Heart Association. Some other symptoms associated with hypotension are c


Signs of low blood pressure include fainting, blurred vision, nausea, thirst, dizziness and a lack of concentration, according to Mayo Clinic. Often low blood pressure has no symptoms. There is usually an underlying cause if severe symptoms of low blood pressure occur.