Yeah the yeast taste, as far as I've noticed, can taste like a stale beer taste. At least to me. A good mouth yeast infection also makes my mouth and throat real real dry, which often causes me to wake up early and not to be able to fall bakc alseep.
Also biaxin, if you're taking it, is said to cause a metallic taste. I have been off and on it for awhile though and have never experienced it.