Image: Geographic Tongue - Merck Manuals Consumer Version

Brought to you by

skip to main content

Merck Manual

Consumer Version

The trusted provider of medical information since 1899

VIEW PROFESSIONAL VERSION

VIEW PROFESSIONAL VERSION

Enter search terms to find related medical topics, multimedia and more.

Advanced Search:

Use “ “ for exact phrases.

For example: “pediatric abdominal pain”

Use – to remove results with certain keywords.

For example: abdominal pain -pediatric

Use OR to account for alternate keywords.

For example: teenager OR adolescent

Health Topics & Chapters

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

Geographic Tongue

geographic_tongue_high

Geographic Tongue

The surface of the tongue has large, irregular patches that have the appearance of countries on a map.

Photo courtesy of Casey Campbell, DDS, MS.

In these topics

Tongue Discoloration and Other Changes

IN THIS TOPIC