Always thirsty but can't seem to quench my thirst no matter how much cold water I drink. Mouth always dry. What's happening? Pls help.

Go to doc! You need to have your blood pressure, and most importantly, your blood sugar checked. Would recommend homocysteine, uric acid, hgba1c, advanced cvd profile with apo e, and mthfr genotypes 677 ; 1298, and an ANA cascade panel to rule our auto immune issues. Taking excedrine all the time can lead to dail caffeine withdrawl headaches. Try to wean off and discover the real problem!