Risk factorsBy Mayo Clinic Staff
Factors that increase your risk of developing a yeast infection include:
Sept. 18, 2015
- Antibiotic use. Yeast infections are common in women who take antibiotics. Broad-spectrum antibiotics, which kill a range of bacteria, also kill healthy bacteria in your vagina, leading to overgrowth of yeast organisms.
- Increased estrogen levels. Yeast infections are more common in women with an increased estrogen level. This can include women who are pregnant, or those who are taking high-dose estrogen birth control pills or estrogen hormone therapy.
- Uncontrolled diabetes. Women with diabetes who have poorly controlled blood sugar levels are at greater risk of yeast infections than women with well-controlled diabetes.
- Impaired immune system. Women with lowered immunity — such as from corticosteroid therapy or HIV infection — are more likely to get yeast infections.
- Sexual activity. Although yeast infections aren't considered sexually transmitted infections, sexual contact can spread the candida fungus.
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