Sex After a Yeast Infection: How Long To Wait PSTD Looking for a few simple ways to avoid a yeast infection? Follow these tips Wash your body with unscented soap Use condoms or dental dams Shower and change Latex Allergy Symptoms (and What to Do If You Have One) Can Condoms Cause Yeast Infections? Happy V It's National Condom Month. Condoms are pretty cheap, at most pharmacies, and when used correctly, highly effective at preventing pregnancy and sexually transmitted infections. If you always use one