Tongue Discoloration and Other Changes By Bernard J Hennessy, DDS, Texas A&M University, College of Dentistry Reviewed / Revised May 2022 | Modified Sep 2022 View Patient Education Topic Resources Strawberry Tongue Geographic Tongue Geographic Tongue (With Fissured.. Hairy Tongue Oral Hairy Leukoplakia Candidiasis (Oral) Leukoplakia Erythroplakia and Squamous... The tongue may undergo changes in color and surface.