What is Candida? Candida is a yeast (a kind of fungus). The most common form is candida albicans. Small amounts are on your skin, in your mouth, throat, vagina, or gut. Normally, it does not cause any health problems. If it grows out of control, you will experience candida overgrowth syndrome (COS). This overgrowth is also known as … [Read more...] about Candida Overgrowth – Must Know Causes and Symptoms