Tacrolimus is the generic version of the topical drug Protopic, which is used  to treat eczema (a skin condition that causes redness, dryness, and itchiness). The prescription medicine is in a class of drugs known as topical calcineurin inhibitors.
Merge this question into. Split and merge into it. Answer by Briesmom. Confidence votes 9. It is impossible to taste substances with a dry tongue because when the tongue is wet, the wetness releases the action of tasting.the tongue has to be wet so that the afferent fibers from the taste buds can send the chemical compounds to the brain to be identified.erge this question into. Split and merge into it. Answer by Briesmom. Confidence votes 9. It is impossible to taste substances with a dry tongue because when the tongue is wet, the wetness releases the action of tasting.
Saliva is needed for the proper functioning of the tongue. A dry tongue can't taste a thing so saliva helps the tongue and our sense of taste by keeping it wet. Saliva moistens food and helps to break it down, which in turn makes it easier for the tongue to push the food to the back of the mouth for swallowing.