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The pediatric anaphylaxis IM epinephrine dose is 0.01 mg/kg using the 1 mg/mL (1:1,000) concentration, up to the usual maximum single pediatric dose of 0.3–0.5 mg depending on local protocol. For a 25-kg child: 0.01 mg/kg × 25 kg = 0.25 mg. Because the concentration is 1 mg/mL, the volume equals the milligram dose: 0.25 mg ÷ (1 mg/mL) = 0.25 mL. IM administration should be into the anterolateral thigh with a safety-checked syringe or an appropriately dosed auto-injector if available. Accurate dose calculation, concentration confirmation, and a “three-check” medication safety process (right patient, drug, dose, route, time, documentation) are core AEMT competencies. Epinephrine treats both airway edema (alpha-1 reduces mucosal swelling) and bronchospasm (beta-2 bronchodilation), while supporting blood pressure (alpha-1 vasoconstriction, beta-1 inotropy). Additional AEMT actions include high-flow oxygen, establishing IV access, isotonic fluid bolus for hypotension, adjuncts like nebulized bronchodilator per protocol, and readiness to repeat epinephrine if symptoms persist. Reassess airway, work of breathing, breath sounds, mental status, and perfusion frequently.