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.
Constant dry mouth and sore tongue from burning mouth syndrome could be vitamin B12 deficiency. Symptoms of glossodynia are painful burning tongue and dry mouth, in addition to swollen tongue with tongue sores and metallic taste in mouth.f vitamin B12 deficiency is causing burning mouth syndrome, then the only course of action is to supplement with vitamin B12. If the cause of burning tongue symptoms is unknown (primary burning mouth syndrome), then your doctor may prescribe one of the following treatments: 1  Clonazepam. 2  Alpha lipoic acid. 3  Capsaicin.