Vagisil relieves symptoms, it does not treat the cause.
Natural protocol for yeast infections:
Garlic capsules 2 caps 3x daily (fights the infection)
Biotin 300 mcg 3x daily (inhibits yeast growth)
Probiotic 2 caps daily (restores normal bacterial balance)
Vitamin C 2000-5000 mg daily (improve immunity)
Tea Tree Oil applied topically (fight infection, reduces itching)
Avoid sugar, fruit, refined carbohydrates, alcohol, and all dairy products except yogurt.