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  1. Norepinephrine: What It Is, Function, Deficiency & Side Effects

    Norepinephrine, also known as noradrenaline, plays an important role in your body’s fight-or-flight response. As a medication, norepinephrine is used to increase and maintain blood pressure in …

  2. Norepinephrine - Wikipedia

    The general function of norepinephrine is to mobilize the brain and body for action. Norepinephrine release is lowest during sleep, rises during wakefulness, and reaches much higher levels during …

  3. Norepinephrine: Function, Effects, and Uses in Medicine

    Oct 9, 2025 · This article explains the many important functions of norepinephrine, or NE. It also includes information about the causes of abnormal norepinephrine levels and related conditions, …

  4. Norepinephrine | Definition, Function, Effects, & Facts | Britannica

    Nov 1, 2025 · Norepinephrine, substance that is released predominantly from the ends of sympathetic nerve fibers and that acts to increase the force of skeletal muscle contraction and the rate and force …

  5. What Is Norepinephrine in the Brain and What Does It Do?

    Norepinephrine plays a role in maintaining our state of alertness and arousal. Its release, which is lowest during sleep and increases during wakefulness, helps to stimulate the brain’s alertness centers.

  6. Norepinephrine - StatPearls - NCBI Bookshelf

    Dec 11, 2024 · Norepinephrine is a first-line pharmacological agent for hypotension unresponsive to fluid therapy. Understanding norepinephrine's pharmacokinetics, pharmacodynamics, and clinical …

  7. Norepinephrine's Crucial Role in Brain Function

    Sep 30, 2024 · Explore norepinephrine's production, functions, and effects in the brain. Learn about its impact on cognition, mood, and potential clinical applications.

  8. Epinephrine and Norepinephrine: What’s the Difference? - WebMD

    Apr 1, 2025 · While norepinephrine and epinephrine are both hormones and neurotransmitters, they have different roles in your body. Norepinephrine function. Norepinephrine works most often as a...

  9. What Is Norepinephrine? - Everyday Health

    Feb 13, 2023 · Norepinephrine works as both a hormone and a neurotransmitter. It plays an important role in the fight-or-flight response, the body’s emergency response to danger or perceived danger.

  10. What is Noradrenaline? - Mental Health America

    Noradrenaline (also called “norepinephrine”) is a chemical created in your nerve endings that helps you stay focused and alert. With noradrenaline, you want a “Goldilocks” amount that’s just enough to …