What dosage of Epipen should be given to a PEDS patient weighing less than 15 kg?

For pediatric patients weighing less than 15 kg, the EpiPen Junior is the recommended option because it delivers a dose of 0.15 mg of epinephrine. This dosage is specifically designed to meet the needs of younger children and smaller individuals, ensuring that they receive an effective, yet safe amount of epinephrine when experiencing severe allergic reactions or anaphylaxis.

Using the EpiPen Junior helps prevent potential adverse effects that could arise from administering a higher dosage that might be too much for a smaller patient's physiology. The goal is to provide effective treatment while minimizing the risk of prolonged cardiovascular stimulation or other side effects associated with higher doses of epinephrine. Therefore, for this pediatric scenario, the EpiPen Junior dosage is the most appropriate and safest choice.