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Vaginal yeast infection

Vaginal yeast infections are common in women. Imbalance in the vaginal microbiota could favor their onset. Fungi from the Candida family are most often involved.

Vaginal yeast infection is an infection of the vulva and vagina caused by a fungus, most often Candida albicans. Over the course of their lives, 75% of women will experience an episode of this infection and 5 to 10% will have several episodes. Yeast infection is characterized by thick, odorless discharge and particularly by genital itchiness. These symptoms are not very specific, so it’s important to see a doctor to confirm the diagnosis.

Vaginal microbiota involved

There are factors that predispose the onset of yeast infections: antibiotic treatment, pregnancy, taking corticosteroids, poorly managed diabetes, and immunosuppression. In actual fact, Candida is normally present in the vagina. But an imbalance in vaginal flora can promote the abnormal proliferation of Candida and allow the infection to develop.

Protective bacteria

The vaginal ecosystem changes over the different stages of a woman’s life, such as the menstrual cycle, pregnancies, puberty, menopause, sexual activity, contraception, and with hygiene. In women in good health, it is dominated by lactobacilli bacteria. Lactobacilli may play a protective role against the development of yeast infections.

Antifungals and probiotics

The classic treatment for vaginal yeast infection is antifungal. Recent studies suggest that oral or topical probiotics (pills or vaginal suppositories) can reduce the appearance of yeast infection by reestablishing the vaginal microbiota.