Description
Each EpiPen® Auto-Injector delivers a single dose of 0.3 mg epinephrine injection, USP, 1:1000 (0.3 mL) in a sterile solution.
Each EpiPen® Jr Auto-Injector delivers a single dose of 0.15 mg epinephrine injection, USP, 1:2000 (0.3 mL) in a sterile solution.
The EpiPen® and EpiPen® Jr Auto-Injectors each contain 2 mL epinephrine solution. Approximately 1.7 mL remains in the auto-injector after activation and cannot be used.
Each 0.3 mL in the EpiPen® Auto-Injector contains 0.3 mg epinephrine, 1.8 mg sodium chloride, 0.5 mg sodium metabisulfite, hydrochloric acid to adjust pH, and Water for Injection.
The pH range is 2.2-5.0. Each 0.3 mL in the EpiPen® Jr Auto-Injector contains 0.15 mg epinephrine, 1.8 mg sodium chloride, 0.5 mg sodium metabisulfite, hydrochloric acid to adjust pH, and Water for Injection. The pH range is 2.2-5.0.
Epinephrine is a sympathomimetic catecholamine. Chemically, epinephrine is B-(3, 4-dihydroxyphenyl)-a-methyl-aminoethanol, with the following structure:
Epinephrine solution deteriorates rapidly on exposure to air or light, turning pink from oxidation to adrenochrome and brown from the formation of melanin. Replace EpiPen® and EpiPen® Jr Auto-Injectors if the epinephrine solution appears discolored.
EpiPen® and EpiPen® Jr Auto-Injectors do not contain latex.