Low Blood Pressure Symptoms (Hypotension)

Several other factors may be involved in the development of low blood pressure:

  • Dehydration: When the body doesn’t have enough water, the amount of blood in the body (blood volume) decreases.
  • Diabetes (because it can damage the nervous system).
  • Pregnancy: it’s common for blood pressure to drop during the first 24 weeks of pregnancy.
  • Nutritional deficiencies: A lack of the vitamin B12 and folic acid can cause anemia, which in turn can lead to low blood pressure.
  • Drugs.
  • Excessive alcohol consumption.
  • Prolonged exposure to heat.
  • Diseases that affect the nervous system, such as Parkinson’s disease or multiple sclerosis.
  • Prolonged bed rest.
  • Certain medications (antidepressants, anxiolytics, neuroleptics ….).
  • Cardiovascular problemsstroke, heart failure, myocardial infarction, irregular heart rhythms (arrhythmias).
  • Insufficiency of the adrenal gland.
  • Diseases of the thyroid gland.
  • Large blood loss from a major trauma, dehydration or severe internal bleeding. As blood volume reduces dramatically, it causes a severe drop in blood pressure, and can be the cause of a shock.
  • Important varicose veins: It is possible that a large amount of blood can stagnate in the varicose veins.
  • Head trauma.
  • Anaphylactic shock.
  • An infectious disease.


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