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An EpiPenÂ® is an autoinjector which delivers a carefully metered dose of epinephrine intramuscularly via a spring-loaded needle. This device is designed to be used in the emergency treatment of severe allergic reactions.
EpiPen (epinephrine injection, USP) 0.3 mg and EpiPen Jr (epinephrine injection, USP) 0.15 mg are auto-injectors and combination products containing drug and device components. Each EpiPen Auto-Injector, 0.3 mg delivers a single dose of 0.3 mg epinephrine from epinephrine injection, USP 0.3 mg/0.3 mL in a sterile solution.