You can get over the counter medication for a yeast infection....also, you can eat yogurt ever day to help with a yeast infection or to help prevent them in the first place.
How to fight yeast infection?
Medication available from your doctor or over the counter.
Eat less sugar, it feeds the yeast. Eat yogurt with stevia not sugar or artificial sweetners. Take a bath with baking soda in the tub to soothe the ithing & use over the counter medication.