Could be yeast as some have suggested.
Has your sugar/carb intake increased since Christmas?
I found that when I increased those items, I resumed yeast problems.
Decreasing the intake (in my case eliminating entirely ALL sweeteners/unprocessed carbs/high fruit intake) and using every day an acidopholus supplement has stopped the yeast dead.
Let's hope it's not shingles. :thumbsdown:
Pam R.