What Are the Basics of Low Blood Pressure?

What is low blood pressure?

Low blood pressure is also known as hypotension, it refers to the situation that your blood pressure is lower than 90 millimeters of mercury (mm Hg) for the top number (systolic) or 60 mm Hg for the bottom number (diastolic).

For some people, low blood pressure may be unnoticeable, they may have the disease for many years and experience no noticeable physical problems while some people with low blood pressure may become dizzy and faint.

What are the causes of low blood pressure?

Causes of low blood pressure include:

  • Heart problems such as heart attack, heart failure, extremely low heart rate (bradycardia).
  • Hemorrhage: blood loss.
  • Endocrine problems such as parathyroid disease, Addison’s disease.
  • Hypoglycemia: low blood sugar.
  • Diabetes.
  • Septicemia: severe infection.
  • Anaphylaxis: severe allergic reaction.
  • Dehydration.
  • Pregnancy.
  • Lack of necessary nutrients in your diet.
  • Toxins including toxic doses of blood pressure medicine.

What are the symptoms of low blood pressure?

Symptoms of low blood pressure include:

  • Dizziness
  • Fainting
  • Nausea
  • Fatigue
  • Poor appetite
  • Lack of concentration
  • Blurred vision
  • Shock (serious situation)

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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.