Yellow tongue has many causes

DEAR DR. GOTT: I am a 51-year-old female. I have a yellowish film on my tongue. I use a tongue cleaner along with a toothbrush with a tongue cleaner twice each day. What works best is scraping it with a toothpick. The film looks like cottage cheese. Please help me.

DEAR READER: There are several reasons for the tongue to turn yellow. Tobacco use, some medications, the ingestion of certain foods, geographic tongue (discolored regions of taste buds), yeast infection and bacteria on the tongue are a few reasons.
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