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. There is also a perceived macroglossia in Down syndrome possibly because the tongue frequently protrudes.
Update Date 5/10/2013
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Black, Stephanie Slon, and Nissi Wang.