How to not have yeast infection?

Proper treatment: Assuming you mean vaginal yeast infection: 1) Make sure the diagnosis is correct; see a doctor if uncertain. (Most vaginal discharge problems are not yeast.) 2) Make sure no underlying problem that increases yeast infections, like diabetes. 3) each episode should be treated properly. 4) Finally, if you still have recurrent yeast, ask doctor about weekly fluconazole (Diflucan) to prevent them.