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Dehydration and high blood pressure
I've been researching on the internet and see some contradictory information regarding dehydration and hbp. Some articles claim that dehydration, causes low blood pressure, and I have experienced this myself. But there are some articles that claim that a dehydrated person's blood vessels narrow and the heart has to pump the lower blood volume in someone who's dehydrated harder, thus raising their bp readings.

I'm curious if anyone has experienced hbp readings while dehydrated. Perhaps they're referring to chronic dehydration?
I have only heard of dehydration lowering blood pressure, myself. I know that people with low blood pressure are asked to drink more water to raise it so I would be surprised if dehydration raised blood pressure. Of course, in the case of more serious dehydration, the heart might try to pump harder to get enough water to all the cells. This could increase blood pressure. Also if the concentrations of waste in the blood were higher from dehydration, this could also make the heart pump harder to try to get the material filtered our faster by the kidneys. I am curious so if you find the answer, please post it.
I don't think dehydration will necessarily raise the blood pressure, but I do believe that it will mess with your blood pressure reading. This means that your blood pressure reading could come back either higher or lower than it usually is. The number will depend on how your body reacts to dehydration. It is important to stay hydrated all year round to avoid dehydration.
Dehydration can cause many health issues, because it messes around with the body's natural chemistry. It can cause either high or low blood pressure, depending on how the dehydration affects the body. The good news is, as far as causes of high or low blood pressure go, dehydration is a preventable factor. A good rule of thumb is to link your water intake to your weight. Halve your weight and drink one ounce of water each day for each pound of weight. If you weigh 200lbs, you should be drinking 100 fluid ounces of water each day.
It's just better to make sure that you are hydrated at all times because it really does mess with the readings. Your organs are fighting with what they got and so I wear rubber bands around my wrists to reminds myself to drink water. I remove one for every glass I drink.

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