1640s (pharmaceutic in the same sense is from 1540s), from Late Latin pharmaceuticus of drugs, from Greek pharmakeutikos, from pharmakeus preparer of drugs, poisoner (see pharmacy). Related: Pharmaceuticals; pharmaceutically.
White Tongue: A white coating on your tongue could mean that you are dehydrated. It can also be caused by smoking or drinking alcohol. A white coating can also be a sign of thrush, which is an infection of the mouth with the yeast Candida albicans.
However, sometimes a coated tongue can indicate an infection or more serious condition. 1  You should see your GP for advice if: 2  you're concerned about changes to the appearance of your tongue. 3  your tongue hurts (read about the causes of tongue pain) 4  your coated tongue persists for longer than two weeks.