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Epinephrine, also known as adrenaline, is a hormone and neurotransmitter that plays an important role in the body’s response to stress and danger. It is released by the adrenal glands in response to physical or emotional stress. It is responsible for the “fight or flight” response, the body’s natural response to danger or stress.

Epinephrine is a powerful hormone and neurotransmitter that affects the body. It increases heart rate and blood pressure, constricts blood vessels, dilates air passages in the lungs, and increases glucose levels in the bloodstream. It also stimulates the release of fatty acids from fat cells, which can be used as an energy source.

Epinephrine is used in a variety of medical treatments, including the treatment of anaphylaxis, a severe allergic reaction. It also treats heart attacks, asthma attacks, and other conditions. Epinephrine is available in several forms, including injectable, inhalable, and intranasal. Epinephrine is a powerful hormone and should be used with caution. It can cause side effects such as rapid heart rate, nausea, headache, and anxiety. Therefore, it should only be used under the direction of a healthcare provider.

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  • National Institute of Allergy and Infectious Diseases. (2020). Epinephrine. Retrieved from
  • Mayo Clinic. (2020). Epinephrine. Retrieved from
  • U.S. National Library of Medicine. (2020). Epinephrine. Retrieved from