A healthy result should fall into the range 217 - 1109 pg/mL.
Norepinephrine (also called noradrenaline) is one of the catecholamines. Catecholamines are hormones made by the adrenal glands. The three catecholamines are epinephrine (adrenalin), norepinephrine, and dopamine.
Norepinephrine is a naturally occurring chemical in the body that acts as both a stress hormone and neurotransmitter (a substance that sends signals between nerve cells).
It’s released into the blood as a stress hormone when the brain perceives that a stressful event has occurred.
As part of the body’s response to stress, norepinephrine affects the way the brain pays attention and responds to events. It can also do the following:
Norepinephrine can also cause your blood vessels to narrow, which increases blood pressure.
The normal range for norepinephrine is 217 – 1109 pg/mL.
Low levels of norepinephrine can contribute to a variety of physical and mental conditions, including:
Chronic stress, poor nutrition, and taking certain medications, such as methylphenidate (Ritalin), can make your less sensitive to norepinephrine. These factors can also cause your body to start producing less norepinephrine.
Having too much norepinephrine can cause:
Some medical conditions cause people to have too much norepinephrine. These include:
Ongoing stress can also cause high levels of norepinephrine.
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