For all the people wondering about the term candida, here is the solution for your question. Candida is yeast like fungus which is present in vivo in the intestinal tract as the normal flora of the body.
Candida develops as yeast in intestinal tract, mouth, throat or genitals as a natural flora in the healthy persons; if the yeast level is maintained. Any imbalance in the yeast proportion can lead to candidiasis which is basically observed as oral yeast infection.
Candidiasis is the problem related to candida resulting in yeast infection, food allergies, digestive problems, constipation, ringworms or oral thrush.