Probably nothing: Certain papillae of the tongue are normally larger than others, in particular the circumvallate papillae in the back of the tongue. If there are no taste disorders or other abnormalities its more than likely a normal variant.
Answered 7/31/2019
5.6k views
5 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question