The cause of yeast infection is a fungus called Candida albicans. Factors such as hormonal changes; uncontrolled diabetes; a weakened immune system; or using birth control pills, antibiotics, or steroid medications can lead to changes in the vagina's acidity, which may lead to an overgrowth of yeast. While not a cause of yeast infection, these factors are associated with an increased risk for the condition.
Cause of Yeast Infection: An Overview
Nearly 75 percent of all adult women have had at least one genital
yeast infection in their lifetime. On rare occasions, men may also experience a genital yeast infection.
A kind of fungus called
Candida albicans causes
yeast infections. It is normal to have some yeast in the vagina. Usually, yeast is in balance with other organisms. But sometimes the balance is lost, and yeast overgrowth occurs. This imbalance is the cause of yeast infection.
Health experts do not know whether yeast infections can be transmitted sexually. Because almost all women have the fungus in their vaginas, it has been difficult for researchers to study this aspect of the infection.
Cause of Yeast Infection: Know the Risk Factors
Several factors are associated with an increased risk of yeast infection in women, including:
Other factors that may increase the incidence of yeast infection include:
- Douching
- Using perfumed feminine hygiene sprays
- Using topical antibiotics and steroid medicines.
Wearing tight, poorly ventilated clothing and underwear can also contribute to yeast infections.
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