The thirst never ends no matter how much I drink. Sometimes in the morning my tongue is actually is so dry it’s as hard as wood. I am thinking now I do not have thrush but the severe dry mouth causing the discoloration. I just don’t know and it’s driving me insane. I’m using all the Biotene dry mouth products and they give me relief for about 5 mins and that’s about it. I don’t smoke, don’t drink, barely have any caffiene. My dry mouth started 3.5 years ago as soon as I started taking Quinolone antibiotics. I’ts gotten progressively worse and I’m really worried.