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GlossaryEpinephrine

hormone and neurotransmitter involved in the fight-or-flight response

Epinephrine, also known as adrenaline, is a hormone and neurotransmitter produced by the adrenal glands. It plays a crucial role in the body's "fight-or-flight" response by increasing heart rate, expanding air passages in the lungs, and redistributing blood to muscles, which helps the body respond to stressful situations.

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Epinephrine Vasoconstriction Effect Time in the Scalp Differs According to Injection Site and Concentration

research Epinephrine Vasoconstriction Effect Time in the Scalp Differs According to Injection Site and Concentration

4 citations , July 2016 in “Dermatologic Surgery”

Higher epinephrine concentration and specific injection sites increase scalp vasoconstriction time.

Unique Treatment for Alopecia Areata Combining Epinephrine With an Intralesional Steroid

research Unique Treatment for Alopecia Areata Combining Epinephrine With an Intralesional Steroid

August 2022 in “Cutis”

Combining epinephrine with a steroid may help regrow hair in severe alopecia areata cases.

research Skin Changes after Subcutaneous Injection of Epinephrine

October 1933 in “Experimental Biology and Medicine”

Epinephrine injections can cause severe skin reactions like hair loss and necrosis.

research Finasteride inhibits epinephrine synthesis in humans: implication for sexual dysfunction

May 2022 in “Endocrine Abstracts”

Finasteride may cause sexual dysfunction by reducing epinephrine levels.

research ODAC Votes No on IntraDose Injectible Cisplatin/Epinephrine Gel for Head and Neck Cancer

November 2001 in “Oncology Times”

The committee decided not to approve the drug due to low effectiveness and high risks.

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