What Causes Low Blood Pressure & What to do if it is too Low?

Blood pressure refers to the force exerted on the walls of the blood vessels by the blood. Blood pressure is denoted in terms of systolic pressure as well as diastolic pressure. Blood pressure is measured in terms of millimetres of mercury. Talking about low blood pressure or hypotension, this occurs when the pressure of the blood is low in the arteries. Low blood pressure arises because of the less volume of blood, expansion of blood vessels, side effects of certain drugs, cardiac issues and anemia. The low blood volume can turn out to be the major cause of low blood pressure. Hemorrhage, low fluid consumption and vomiting can lead to low blood pressure. Lack of perspiration, dark colored urine and light-headedness mark the symptoms of low blood pressure. Blood pressure can be checked with the aid of medical instruments. Even the slightest drop in the blood pressure can lead to transient hypotension.

Discussing the Cause Behind Low Blood Pressure

On reading this piece of article, you will come to know what causes low blood pressure and what to do if it is too low? In order to learn more, continue reading ahead. An abrupt fall in the blood pressure may turn out to be quite potent and may lead to giddiness and a person might faint as well because the brain is not able to acquire sufficient amount of blood. There may be greater fluctuations in the blood pressure caused by bleeding that is hard to control or due to some serious allergic reaction or some sort of an infection all of which can turn out to be life threatening.

What are the Causes of Low Blood Pressure?

What are the Causes of Low Blood Pressure?

Low Blood Pressure Caused by Pregnancy

Due to the expanding of circulatory system at the juncture when a woman is expecting, chances are that the blood pressure will drop, though it is considered to be normal and is not a ‘freaking out’ stage as the blood pressure will go back to normal after the baby is born.

Low Blood Pressure Caused by Loss of Blood (Haemorrhage)

The loss in the amount of blood due to some serious wound or internal bleeding where a huge amount of blood gets drained out form your body can becomes a major cause of low blood pressure.

Severe Infection

If there is serious infection invading the blood stream, then it causes severe hypotension or low blood pressure, which is termed as septic shock.

Cardiac Disorders

Some heart disorders also cause low blood pressure. To render an instance, a severe low heart rate, cardiac arrest, issues in regards to heart valve, et cetera can definitely lead to a case of serious low blood pressure.

Nutritious Food From Your Diet

The absence of essential vitamins, like B-12 and folate, can prevent your body from producing sufficient number of red blood cells. The shortage of these cells may also become the prime cause of low blood pressure.

Low Blood Pressure Caused by Dehydration

The point when your body gives out more water when compared to the amount that it takes in then it becomes the leading cause of fatigue, dizziness and low blood pressure. Other causes of low blood pressure include fever and diarrhea, which lead to dehydration and cause low blood pressure.

Endocrine Issues

Thyroid related issues, low rate of blood sugar and diabetes can be considered powerful and able triggers of low blood pressure.

Low Blood Pressure Caused by Medicines

Medicines, such as alpha-blockers and the excessive intake of beta-blockers, such as propranolol and atenolol, consumption of antidepressants, medicines for Parkinson’s disease, diuretics etc. can lead to low blood pressure.

Treatment: What to do if the Blood Pressure is too Low?

In case of an extremely low blood pressure, you can undertake the following steps:

  • Make sure you consume a lot of water if the low blood pressure is due to dehydration. Drinking adequate amount of water helps in maintaining hydration, which prevents and treats low blood pressure.
  • Salt can prove to be quite helpful in case of extremely low blood pressure. Adding a pinch of salt to fruit juices or plain water helps in managing and treating low blood pressure.
  • There are a few medicines, which help in treating low blood pressure. However, you must make it a point to take it under the guidance of a medical practitioner.


It is highly advisable that you take good care of your diet and exclude anything that lead to the drop in the blood pressure. Always opt for a balanced diet and nutritious food. When you allow the important nutrition to enter your body, you give your body the chance to grow in a healthy manner and to make your immune system strong enough to fight against several diseases and problems including low blood pressure. Avoid consuming fast foods and alcoholic drinks, as they will do no good to your body. All you will receive is a bunch harmful ailments that will make you lie in the hospital bed or make your body an abode of long-term diseases and problems such as low blood pressure.

Changing lifestyle is very useful in treating low blood pressure as our lifestyle marks the condition of our current health. Exercise is very important for good health so make it a point to include a bunch of physical activities in your daily routine. Give up the sedentary lifestyle. Avoid taking lifts and start taking the stairs. Make it a point to dedicate at least an hour or so in the morning for exercises. Apart from this, you can also go for walks in the morning and evening. This is very useful in pulling down the rate of several problem causing diseases.

These are some of the basic steps that you can execute at your own to keep severe problems, such as low blood pressure, at a distance. Sometimes it is surely in our hands to keep a disease from rising up and harming us. We can do a lot to keep ourselves healthy. It is all in our will as well in our actions that form the part of our lifestyle and our health.

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Team PainAssist
Team PainAssist
Written, Edited or Reviewed By: Team PainAssist, Pain Assist Inc. This article does not provide medical advice. See disclaimer
Last Modified On:July 12, 2021

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