Treatment of Vaginal Candidiasis
For uncomplicated vaginal candidiasis, either a single 150 mg oral dose of fluconazole or a topical antifungal agent for 1-7 days is recommended as first-line treatment. 1
Classification and Diagnosis
Before initiating treatment, it's important to properly diagnose and classify vaginal candidiasis:
Uncomplicated cases (90% of cases):
- Mild to moderate symptoms
- Infrequent episodes
- Likely caused by Candida albicans
- Occurs in non-immunocompromised patients
Complicated cases (10% of cases):
- Severe symptoms
- Recurrent episodes (≥4 per year)
- Non-albicans species
- Occurs in immunocompromised or diabetic patients
Diagnosis should be confirmed by:
- Wet-mount preparation with saline and 10% potassium hydroxide
- Checking for normal vaginal pH (4.0-4.5)
- Vaginal cultures if microscopy is negative but symptoms persist
Treatment Recommendations
For Uncomplicated Vaginal Candidiasis:
Topical antifungal options (strong recommendation; high-quality evidence) 1:
- Azole creams or suppositories for 1-7 days
- No one agent has been proven superior to another
Oral option (strong recommendation; high-quality evidence) 1, 2:
- Fluconazole 150 mg as a single oral dose
For Severe Acute Vaginal Candidiasis:
- Fluconazole 150 mg every 72 hours for a total of 2-3 doses (strong recommendation; high-quality evidence) 1
For C. glabrata Infections (resistant to azoles):
- Intravaginal boric acid 600 mg daily for 14 days (strong recommendation; low-quality evidence) 1
- Nystatin intravaginal suppositories 100,000 units daily for 14 days (strong recommendation; low-quality evidence) 1
- Topical 17% flucytosine cream alone or with 3% AmB cream daily for 14 days (weak recommendation; low-quality evidence) 1
For Recurrent Vulvovaginal Candidiasis:
- 10-14 days of induction therapy with topical agent or oral fluconazole, followed by fluconazole 150 mg weekly for 6 months (strong recommendation; high-quality evidence) 1
- Alternative maintenance regimen: topical treatments 1-3 times weekly, with twice weekly being most common 3
Special Populations
Pregnant Women:
- Use only topical azole therapies for 7 days 4
- Avoid oral fluconazole due to potential risk of spontaneous abortion 4
Elderly or Immunocompromised Patients:
- May require longer treatment duration (7-14 days) 4
- Closer monitoring may be necessary
Clinical Pearls and Pitfalls
Efficacy comparison: Oral and topical treatments have been shown to achieve equivalent results for uncomplicated cases 1, 2
Patient preference: While oral administration is often preferred by patients 5, 6, consider individual factors such as:
- Pregnancy status (topical only)
- History of drug interactions
- Previous treatment response
- Cost and availability
Common side effects:
Recurrence prevention:
Treatment failure:
- Consider non-albicans species if standard treatment fails
- Obtain cultures to guide therapy in recurrent or persistent cases
- Evaluate for underlying conditions (diabetes, immunosuppression)
Remember that proper diagnosis is crucial before initiating treatment, as symptoms of vaginal candidiasis can overlap with other conditions such as bacterial vaginosis or trichomoniasis.