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The causes of low blood pressure span from heart conditions and dehydration to a lack of vitamins and anaemia.
Low blood pressure is often temporary and treatable, provided that you consult a doctor to find out the causes. A lot of the time, low blood pressure does not really pose a problem. It’s only when your blood pressure gets dangerously low that it becomes a threat to your health. You should therefore watch out for signs such as light-headedness, dizziness or fainting.
A normal blood pressure is around 120/80 (120 over 80). You have low blood pressure (also known as hypotension) if your blood pressure drops below 90/60 (90 over 60).
Low blood pressure means that the blood flow in the body might be insufficient to bring enough oxygen and nutrients to your organs. When blood pressure is extremely low, people can eventually lose consciousness.
People who suffer from chronic low blood pressure (orthostatic hypotension) often experience problems when they get up from a lying or sitting position and feel lightheaded. In severe cases of low blood pressure, patients can suffer from shock and even stroke.
Low blood pressure does not necessarily pose a threat to your health. Some people with blood pressure below 90/60 lead perfectly normal lives. It is the presence of symptoms that determines whether your low blood pressure is problematic or not.
There are a whole range of factors that can temporarily contribute to low blood pressure such as stress, age, temperature, time of the day (e.g. evening) and time since the last meal. Also, staying in bed for a very long time causes a temporary drop in blood pressure.
These factors do not cause a huge drop in blood pressure but can explain why we feel dizzy or sleepy in certain situations (for example when getting out of bed).
The following medical conditions are possible causes of low blood pressure:
As you can see, the potential causes of low blood pressure are a long list of unrelated conditions, (as opposed to the causes of high blood pressure which can involve a combination of lifestyle factors, family background and underlying conditions).
Medications for high blood pressure as well as for the heart and depression can cause low blood pressure. That includes beta-blockers, alpha-blockers, calcium channel blockers along with tri-cyclical antidepressants.
In particular, if you take Viagra with a specific heart medication (nitroglycerine), this can cause a sudden drop in blood pressure.
You should also pay attention to water pills (diuretics) which make you urinate more frequently. They lower your blood pressure by reducing the amount of water in your body.
It is common that as people grow older, the natural mechanisms for controlling the blood pressure via the heart rate (known as baroflex mechanisms) become less effective.
This can lead to a decrease in blood pressure, particularly when elderly people stand up or get up after a long time in bed (this can affect patients of all ages).
Hypotension (low blood pressure) is generally not a problem for your health. In fact, it provides protection against heart and kidney diseases as well as conditions related to high blood pressure such as heart attacks and strokes.
Low blood pressure is fine as long as it is not so low that you experience symptoms, in which case there may be a risk of damage to your organs.
People who have so-called poor circulation symptoms (e.g. cold fingers and toes) often have low blood pressure. However, these “poor circulation symptoms” are very common and you don't need to worry about them.
You should consult a doctor if you suffer from dizziness, fainting, serious dehydration (thirst) and excessively pale skin or fatigue.
Our fast, convenient service is extremely straightforward
and you don't need to visit a doctor to use it.
You'll complete a short online health assessment and choose the medication you need. If you're unsure, our in-house GPs can also recommend the best treatment for you.
Our doctors will review your order, issue your prescription and pass it straight to a pharmacist to be dispensed.
Free First Class delivery is included and next day delivery starts at just £3.99. OR you can collect from any Royal Mail Local Collect® at your convenience.
We take precautions that other online providers don't,
so you’re given a convenient and discreet service.
Orders placed before 4pm will be dispatched the same day.
Available to Collect: Thursday 25 Feb 2016 after 11am
Get an SMS/email to collect from your preferred Royal Mail location
Estimated Delivery: Saturday 27 Feb 2016 - Tuesday 01 Mar 2016
Estimated Delivery: Friday 26 Feb 2016 by 1pm
All of your medication will be delivered in plain, unlabeled
packaging. A signature will be required but it does not
have to be the patient.