Read the ampicillin Results-at-a-Glance summary.

Ampicillin, a medicine used to treat infections, is the most commonly used drug in babies born prematurely who are admitted to the hospital. At the same time, practically no one has ever figured out how the drug is processed in newborns. The goal of the “Ampicillin in Infants Study” was to find out how newborns process ampicillin and determine the safest and most effective dose to treat infections.