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Understanding the Underlying Causes of Low Blood Pressure

Abstract depicting dizziness
Abstract depicting dizziness

Low blood pressure, medically known as hypotension, might seem desirable, but it can be a cause for concern when it leads to symptoms like dizziness or fainting. Here, we'll delve into the various causes of low blood pressure and discuss why understanding these causes is essential for your health and well-being.

What is Low Blood Pressure?

Blood pressure is the force of blood pushing against the walls of the arteries. Low blood pressure occurs when blood pressure readings are lower than 90/60 mm Hg. While it's often seen as less alarming than high blood pressure, it can still lead to critical health issues.

Common Causes of Low Blood Pressure:

  • Dehydration: When your body loses more water than it takes in, it can cause weakness, dizziness, and fatigue. Severe dehydration can lead to a significant drop in blood pressure.

  • Heart Problems: Conditions such as extremely low heart rate (bradycardia), heart valve problems, heart attack, and heart failure can lead to low blood pressure.

  • Endocrine Problems: Disorders like thyroid conditions, adrenal insufficiency (Addison's disease), and low blood sugar (hypoglycemia) can trigger low blood pressure.

  • Severe Infection (Septicemia): When an infection in the body enters the bloodstream, it can lead to a life-threatening drop in blood pressure known as septic shock.

  • Blood Loss: Losing a lot of blood from a major injury or internal bleeding reduces the amount of blood in your body, leading to a severe drop in blood pressure.

  • Lack of Nutrients in Diet: A lack of essential vitamins and minerals, especially B-12 and iron, can prevent the body from producing enough red blood cells, causing low blood pressure.

  • Medications: Certain drugs, including diuretics, alpha-blockers, beta-blockers, and drugs for Parkinson's disease, can cause or exacerbate low blood pressure.

Symptoms of low blood pressure can include dizziness, fainting, blurred vision, nausea, fatigue, and lack of concentration. Chronic low blood pressure can lead to inadequate blood flow to the heart, brain, and other vital organs.

While low blood pressure is often less talked about than high blood pressure, it's essential to understand its causes. If you experience symptoms of low blood pressure, it’s important to seek medical advice. Treatment for hypotension depends on its cause and may involve medications, lifestyle changes, or treating underlying conditions.

If you're concerned about your blood pressure levels or have experienced symptoms of low blood pressure, schedule a free discovery call with one of the wellness coordinators at and find out more about how we can help.

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