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.
1 Place dental floss between your back teeth and then smell the floss.  While looking at the mirror, grab the tip of your tongue with a Kleenex and pull it out as far you can. If you see that the very back of your tongue is whitish in color, it may be a sign that you have bad breath.