Epinephrine and norepinephrine sound alike, and they also share many of the same functions. Learn more about these two hormones and neurotransmitters, including the differences between them.

Norepinephrine and epinephrine have a lot in common. Learn more about the differences between the two, their pros, cons, and benefits, and how they may affect health.

Epinephrine and norepinephrine are chemical messengers that play an important role in the body’s fight or flight response. Although these two chemicals are similar, they act on different parts ...

Norepinephrine, also called noradrenaline, is a catecholamine that acts as both a hormone and neurotransmitter.

Norepinephrine is a natural chemical in the body that's released by stress during the fight-or-flight response. It also affects mood and attention.

Epinephrine, also known as adrenaline, is a hormone involved in your body’s “flight or fight” response.

Both dopamine and norepinephrine are recommended as first-line vasopressor agents in the treatment of shock. There is a continuing controversy about whether one agent is superior to the other.

Epinephrine and norepinephrine can cause the smooth muscles in certain blood vessels to contract, narrowing the opening and reducing the space through which blood can flow.

Is there a difference in clinical efficacy between dopamine and norepinephrine in patients with cardiogenic shock?

The effects on arterial pressure and cardiac index were similar in patients with acute MI and secondary cardiogenic shock who were treated with epinephrine compared with norepinephrine ...

The effect of laughter on the so called 'stress hormones' of epinephrine, norepinephrine and cortisol is equivocal, with the few studies conducted thus far demonstrating some conflicting results.

ADHD is not all about dopamine. If you want to understand the brain chemistry behind it, you also need to know about norepinephrine.