OverviewMacroglossia is a congenital disorder where the tongue is larger than normal. It is enlarged because of an increase in the amount of tissue, not because of a tumor or growth.
Review Date 4/21/2015
Updated by: Neil K. Kaneshiro, MD, MHA, clinical assistant professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.