Black spots on tongue can be alarming. Learn the causes and whether you should be concerned. When in doubt, see your dentist. Learn more here.
Triggers include hypersensitivity, infection, hormones, stress, and not getting enough of some vitamins. Also called aphthous ulcers, canker sores can show up on the tongue, cheek, even your gums. They usually last a week or two.
Colors, spots, patches, and lumps can all give you clues about your health. Find out what your tongue is telling you.