Orange stain?: If it happened only once i wouldn't be concerned about it. If continues to occur, think about what you are eating and drinking as it is probably related. I have never seen an orange tongue but i guess it could be bacterial, fungal or a result of acid reflux? You would have to have a dentist or ENT specialist examine you when it is present in order to try to solve this mystery.
Answered 6/10/2014
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