Causes of Yeast Infection Antibiotics, especially prolonged use Pregnancy Diabetes, and other diseases such as cancer and HIV Menstruation Tight clothing or underclothing, especially nylon Sexual intercourse with a partner who has a yeast infection. Men often do not have symptoms but can infect and re-infect their female partner. It is best to avoid sexual intercourse for a week or so, or use a condom with a water soluble lubricant. Life style factors such as frequent douching, oral sex, alcohol and caffeine use might contribute to re-infection. Anyone who has frequent or recurrent yeast infections should try to avoid these for a month to determine if they may be contributing to the frequent infections.
Some people find non-medication treatments helpful to treat yeast infections or reduce symptoms.
Plain yogurt inserted vaginally using a tampon is sometimes effective. Other remedies include the use of garlic, boric acid powder, acidophilus and douching. You can find out about these remedies from most health food stores. Prevention Avoid the use of powders, perfumes and irritating soap. Wear clean, cotton underwear.