How low is dangerous blood pressure?

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My blood pressure is always around 75/55 I feel good. Work out daily. Is this a problem. I’m 5’4””

5 Answers

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It's a little low. If you have no symptom, no need to worry.

From the numerical point of view, your blood pressure is very low. Are you anemic? Do you usually have dizziness, blurred vision and/or fatigue?

I have no problems with any of those. I’m very healthy but I always have those low numbers on my BP readings. Should I be concerned
In this case, you may try to measure once with some other monitor. My mom always complained about her low blood pressure, one day she went to the clinic, the nurse took it and it shows borderline high. It turns out the monitor she's using isn't accurate, which I don't understand why. That's an Omron.
If you don't have any discomfort, you don't need to worry.
I have problem of low blood pressure and mine BP hovers around 80/56. I was told that there is no lower limit on blood pressure. 50/33 is considered dangerously low blood pressure, but you can pass out before then. I fully passed out a few times in the past, but I improved my health condition by eating healthily and regularly, which takes years. As I know, some people who have dangerous low blood pressure in the hospital administered some IV things to raise it.
Today my no was 125 over 36. Should I be worried?
Have you seen a doctor? You should find out the reason.

1. Physiological hypotension
In some healthy people, the blood pressure measurement has reached the low blood pressure standard, but there is no self-conscious symptom. After long-term follow-up, except for the low blood pressure, the human system organs have no abnormalities such as ischemia and hypoxia, and the life span is not affected.

2. Pathological hypotension
In addition to lowering blood pressure, there are often varying degrees of symptoms and certain diseases.
(1) Primary hypotensive disease refers to hypotensive state without obvious cause, such as physiological hypotension (physical hypotension), more common in elderly and women with weak constitution.
(2) Secondary hypotension refers to a decrease in blood pressure caused by a disease in an organ or system of the human body. This hypotension can occur rapidly in a short period of time, such as major bleeding, acute myocardial infarction, severe trauma, infection, allergies and other reasons caused by a sharp drop in blood pressure. In most cases, hypotension occurs slowly and can gradually worsen, such as hypotension that is secondary to severe tuberculosis, malignancy, malnutrition, cachexia, et al.
is there  a nursesomewhere you can call late night or early morning t0 give your b/p reading to see if it is too low
It depends where you live. However there're other alternatives.

1. You can get a BP monitor, the electronic BP monitor is very easy to use, you can measure your BP at home whenever you want.

2. Get a 24-hour BP test, you can talk to your primary.

3. Apple watch can measure your BP like 24 hours.
Just took my bp 179/100 on left arm.

Right arm 169/145
Taking my medication.
You should check the chest CTA to see if there is aortic stenosis.
When the BP difference between your two arms is over 20, it might be due to aortic dissection, aortitis, aortic coarctation, vascular malformation, etc. You should go to the hospital for further testing.