Caffeine and singing

Contrary to popular belief, caffeine consumption does not contribute to fluid loss or dehydration. So drinking coffee before singing should not be an issue. http://en.wikipedia.org/wiki/Coffee_and_health#Laxative.2Fdiuretic http://www.cosic.org/coffee-and-health/kidney-function Also, keep in mind that when swallowing liquids do not come in contact with the vocal folds. The folds are hydrated by your body’s hydration system.