To prevent or treat heat rash in an infant, dress the baby in light-weight cotton, use a fan with a gentle breeze (if air conditioning is unavailable), and avoid the use of powders.
Review Date 12/10/2021
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.