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A member asked:
Can a white painless tongue without any patches mean i have dehydration?
A doctor has provided 1 answer
Maybe/maybe not: White coated tongue is a very non-specific finding. There are more specific physical findings suggestive of dehydration, e.g., weight loss of more than 3%, infrequent urination, dry lips with sticky saliva, etc.
Answered 2/6/2016
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