Abstract Objective To identify the use of breast analgesia for pain relief in newborns and infants during vaccination. Methods This integrative literature review was conducted in the PubMed, SciELO, Ovid, and Virtual Health Library (VHL/LILACS) databases, indexing scientific journals on nursing and related health areas in English, Spanish, or Portuguese from 2014 to 2025. The central topic was: breastfeeding during vaccination as a non-pharmacological intervention for pain relief. The question to be answered was: what is the use of breast […]