Epinephrine and norepinephrine are very similar neurotransmitters and hormones. Epinephrine has slightly more of an effect on your heart, while norepinephrine has more of an effect on your blood ...
People use epinephrine injections as a medication to treat severe allergic reactions. Epinephrine, also called adrenaline, is a hormone that the adrenal glands produce in the body. People who have ...