Tongue taste: Cymbalta (duloxetine) is known to cause a metallic taste in some people. As for the 'green' part, two things come to mind. Either the GERD is the culprit and you are bringing up bile at night or you could have oral candidiasis. Try sleeping propped on 2 or three pillows . Talk to the Cymbalta (duloxetine) presciber.
Answered 7/17/2014
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