HyperDic: hairy_tongue

English > 1 sense of the expression *hairy tongue*:
NOUN	state	hairy tongue, furry tongue, black tongue	a benign side effect of some antibiotics

English > *hairy tongue*: 1 sense > noun 1, state
Meaning	A benign side effect of some antibiotics; dark overgrowth of the papillae of the tongue.
Synonyms	furry tongue, black tongue
Broader	side effect	A secondary and usually adverse effect of a drug or therapy