Candidiasis causes the production of phlegm as you probably know, sometimes in access and constantly.
Drinking plenty of water and a tea made from the herb thyme is useful as a decongestant and can probably offer temporary relief for the phlegm, but if you believe the cause is Candida related, then it probably won’t clear up completely until you treat the infestation. If that’s what you decide to do, you should read the following posts. These concern the protocol that most of the forum members follow.
Proper and Safe Cleanse:
Let us know if you have additional questions.