epinephrine
noun
epi·neph·rine ˌe-pə-ˈne-frən 
variants or less commonly epinephrin
: a crystalline sympathomimetic hormone C9H13NO3 that is the principal blood-pressure raising hormone secreted by the medulla of the adrenal glands, is prepared from adrenal extracts or made synthetically, and is used medicinally especially to stimulate the heart during cardiac arrest and to treat life-threatening allergic reactions
called also adrenaline
Example Sentences
Recent Examples on the Web For example, UnitedHealth Group announced its plan to eliminate co-pay and out-of-pocket costs for critical medicines such as insulin, epinephrine, and albuterol by 2023. 
Forrester, Forbes, 2 Aug. 2022 Call 911 immediately if epinephrine isn’t available. Julie Marks, SELF, 11 June 2022 Anaphylaxis needs to be treated immediately with epinephrine, a medication that relaxes blood vessels and the muscles in the airways, according to the NLM. Sara Gaynes Levy, SELF, 31 May 2022 Severe allergic reactions call for an immediate shot of epinephrine and emergency medical attention. Marygrace Taylor, SELF, 29 Mar. 2022 In comparison, the researchers found that 49% of patients received a prescription for epinephrine, a drug to treat severe or life-threatening allergic reactions, following an anaphylactic shock. Yoohyun Jung, San Francisco Chronicle, 29 Dec. 2021 No one in the J&J trial reported an allergic reaction requiring epinephrine, but one person in a trial extension has reported such a response. Karen Weintraub, USA TODAY, 27 Feb. 2021 In the event of an insect sting, people with allergies to those stings can be treated with injectable epinephrine (an EpiPen), the ACAAI says. Sarah Jacob, SELF, 26 July 2021 Doubling levels of cortisol alone -- but not norepinephrine, epinephrine or dopamine -- was associated with a 90% higher risk of having a cardiovascular event, the study found. Sandee Lamotte, CNN, 13 Sep. 2021 See More
Forrester, Forbes, 2 Aug. 2022 Call 911 immediately if epinephrine isn’t available. Julie Marks, SELF, 11 June 2022 Anaphylaxis needs to be treated immediately with epinephrine, a medication that relaxes blood vessels and the muscles in the airways, according to the NLM. Sara Gaynes Levy, SELF, 31 May 2022 Severe allergic reactions call for an immediate shot of epinephrine and emergency medical attention. Marygrace Taylor, SELF, 29 Mar. 2022 In comparison, the researchers found that 49% of patients received a prescription for epinephrine, a drug to treat severe or life-threatening allergic reactions, following an anaphylactic shock. Yoohyun Jung, San Francisco Chronicle, 29 Dec. 2021 No one in the J&J trial reported an allergic reaction requiring epinephrine, but one person in a trial extension has reported such a response. Karen Weintraub, USA TODAY, 27 Feb. 2021 In the event of an insect sting, people with allergies to those stings can be treated with injectable epinephrine (an EpiPen), the ACAAI says. Sarah Jacob, SELF, 26 July 2021 Doubling levels of cortisol alone -- but not norepinephrine, epinephrine or dopamine -- was associated with a 90% higher risk of having a cardiovascular event, the study found. Sandee Lamotte, CNN, 13 Sep. 2021 See More Word History
Etymology
International Scientific Vocabulary epi- + Greek nephros kidney — more at nephritis
First Known Use
1899, in the meaning defined above
Kids Definition
epinephrine
noun
ep·i·neph·rine ˌe-pə-ˈne-frən
: a hormone that causes blood vessels to narrow and the blood pressure to increase
Medical Definition
epinephrine
noun
epi·neph·rine
variants also epinephrin
ˌep-ə-ˈnef-rən
: a colorless crystalline sympathomimetic hormone C9H13NO3 that is the principal blood-pressure-raising hormone secreted by the adrenal medulla, is prepared from adrenal extracts or made synthetically, and is used medicinally especially to stimulate the heart during cardiac arrest and to treat life-threatening allergic reactions
called also adrenaline