Welcome to Health Magic thanks for asking Your query here coming to your concern...If you come down with frequent yeast infections (four or more in a single year), you probably have a condition known as recurren Vulvovaginal candidiasis. there are a number of risk factors that can predispose you to it including - -Things that alter your normal hormone balance, including pregnancy ,Contraceptive pills etc ,Frequent use of antibiotics ,Clothing that is Tight fitting and synthetic, keeping the vaginal area moist and warm, poor hygiene or Very Little Chances are there that your partner may transfer it to you (if he has symptoms ) it can be treated with anti fungal medicines like Clotrimazole ,Fluconazole You can Apply topical Ointment containing anti fungal medicine on external parts of vagina but i would strongly advise You to have an visit to Your Doc. To get it examine he will check it and will prescribe you according to the condition For Further prevention Of the Condition please Read this- As yeast loves the warm, moist condition of the vagina so if you wear Synthetic underwear, switch to cotton if you wear Pajama bottoms, go bare instead for better air circulation to the vaginal area while you sleep if you wear Tight jeans or spandex, swap them for more breathable materials also remember to: Abstain from sex until the infection is gone i would strongly suggest you to see a Gynecologist to get it checked thoroughly I Hope This Help Thanks