How Can Low Blood Pressure Be Increased?

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Diet and lifestyle changes that can increase blood pressure include eating more salt, avoiding alcoholic beverages, drinking plenty of water, refraining from heavy lifting and engaging in regular exercise to encourage blood flow, according to WebMD. Avoiding hot showers and saunas is also recommended. To avoid low blood pressure complications after meals, eat smaller, more frequent meals and reduce the amount of carbohydrates in the diet.

Prescription drugs used to treat low blood pressure include fludrocortisone and midodrine, states WebMD. Fludrocortisone causes the kidneys to retain sodium, resulting in swelling and fluid retention, which leads to increased blood pressure. Because sodium retention causes the body to lose potassium, patients taking fludrocortisone must make sure they consume sufficient amounts of potassium in their diets. Midrone activates receptors on veins and arteries to raise blood pressure.

Systolic blood pressure readings of 90 millimeters of mercury or less and diastolic blood pressure readings of 60 millimeters of mercury or less generally indicate low blood pressure, according to Mayo Clinic. Symptoms of low blood pressure include fainting, dizziness or light headedness, nausea, blurred vision and rapid shallow breathing. Conditions that sometimes cause low blood pressure include endocrine problems, heart problems, pregnancy, dehydration and a diet lacking in folate and vitamin B-12. Medications such as diuretics, beta blockers, alpha blockers and certain anti-depressants can also cause low blood pressure.