Entendendo Infecções por Levedura Recorrentes: Causas, Prevenção e Manejo Eficaz

Recurrent vulvovaginal candidiasis (RVVC) is defined as experiencing four or more symptomatic episodes within a year. It can be frustrating and disruptive, but understanding the contributing factors is the first step toward lasting relief.

What Drives Recurrence?

Several factors can upset the vaginal microbiome and allow Candida to overgrow repeatedly:

• Antibiotic use: Broad-spectrum antibiotics wipe out protective Lactobacilli, opening the door for yeast.
• Uncontrolled diabetes: Elevated blood sugar creates a glycogen-rich environment where yeast thrives.
• Pregnancy: Rising estrogen increases vaginal glycogen, fueling yeast growth.
• Immunosuppression: Conditions like HIV or medications such as corticosteroids weaken immune surveillance.
• Lifestyle factors: Tight, non-breathable clothing and prolonged moisture promote fungal growth.
• Non-albicans species: Candida glabrata and other species are often resistant to standard azole antifungals.

Prevention Strategies

While not every episode can be prevented, these evidence-based habits reduce risk:

• Avoid unnecessary antibiotics; discuss alternatives with your prescriber.
• Wear cotton underwear, choose loose-fitting clothing, and change out of wet swimwear promptly.
• If you have diabetes, work closely with your care team to maintain optimal glycemic control.
• Consider probiotics containing Lactobacillus strains (oral or vaginal). Evidence is mixed, but they are low-risk.
• For azole-resistant strains, boric acid suppositories (600 mg nightly for 14 days) are a well-established option.

Medical Management

Accurate diagnosis is essential. Confirm the infection and identify the species with a culture. For confirmed RVVC, a maintenance regimen of fluconazole 150 mg weekly for six months is the standard of care. Routine treatment of sexual partners is not recommended. Always consult a gynecologist for a personalized plan tailored to your history and culture results.