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EpiPen is an injection that contains epinephrine, a chemical that narrows blood vessels and opens airways in the lungs. EpiPens have become a necessity for families with children suffering from severe allergies to counter effects like wheezing, uneven breathing, increased or decreased heart rate, swelling and other potentially fatal reactions.
Epinephrine is an alpha-Adrenergic Agonist, and beta-Adrenergic Agonist, and Catecholamine. The mechanism of action of epinephrine is as an Adrenergic alpha-Agonist, and Adrenergic beta-Agonist. The chemical classification of epinephrine is Catecholamines.