Dry Mouth What Causes Brown Phlegm, Extreme Dry Mouth And Bad Taste ?

What causes brown phlegm, extreme dry mouth and bad taste ? - dry mouth

I smoke DONOT, DONOT lose sight of the smoking-or 2nd hand smoke.
On the morning immediately after waking, I noticed a bad taste in my mouth and my mouth is too dry, my tongue was just a dry place. Then I feel all composure when I breathe, then start clearing his throat and I began to cough, phlegm, dark brown and light brown.