Most vaginal thrush clears up within a few days using over-the-counter antifungal treatments available at any pharmacy. These come as internal creams, vaginal tablets (pessaries), or oral capsules, and the one you choose depends on your preference, whether you’re pregnant, and how often infections return.
Over-the-Counter Treatments
Antifungal products for vaginal thrush come in 1-day, 3-day, and 7-day courses. The shorter the course, the more concentrated the dose. A 1-day treatment contains a higher strength of the active ingredient than a 7-day version of the same product, but both deliver roughly the same total amount of medication over the full course. Neither approach is more effective than the other, so it comes down to convenience versus comfort. Some women find the higher-concentration, shorter courses cause more local irritation.
The most common active ingredients in these products are clotrimazole (sold as Lotrimin and Mycelex) and miconazole (sold as Monistat). Both work by damaging the cell walls of the yeast, killing it off. You insert the cream or pessary into the vagina, usually at bedtime so it stays in place overnight. Many products also include an external cream for relieving itching and irritation around the vulva while the internal treatment does its work.
Tioconazole (Vagistat-1) and butoconazole (Gynazole-1) are single-dose options if you want a one-and-done approach. These are applied once and left to work over several days.
When You Need a Prescription
If over-the-counter options haven’t worked, or if your symptoms are severe, a doctor can prescribe an oral antifungal pill. Fluconazole (Diflucan) is the most widely prescribed option. It works systemically, meaning it travels through your bloodstream to reach the infection rather than being applied directly. For a straightforward yeast infection, a single 150 mg dose is often enough.
Terconazole (Terazol) is a prescription-strength vaginal cream that may be recommended when standard over-the-counter antifungals don’t resolve the infection. This can happen when a less common strain of yeast is involved, since some strains are naturally resistant to the drugs found in pharmacy products.
Make Sure It’s Actually Thrush
Before treating yourself, it’s worth checking that what you’re dealing with is actually a yeast infection. Bacterial vaginosis (BV) is just as common and shares some overlapping symptoms, but it requires a completely different treatment. Using antifungal cream for BV won’t help and can delay proper care.
The key differences are in the discharge and smell. Thrush produces a thick, white discharge with a cottage-cheese texture. It rarely has a strong odor. BV, on the other hand, causes a thin, gray or yellowish discharge with a noticeable fishy smell. If your symptoms don’t clearly match thrush, or if an over-the-counter treatment fails after the full course, getting a swab test from your doctor takes the guesswork out of it.
Treating Thrush During Pregnancy
If you’re pregnant, only topical antifungal creams or pessaries applied for a full 7-day course are recommended. The oral pill, fluconazole, should not be used during pregnancy. Studies have linked even a single 150 mg dose to an increased risk of miscarriage and birth defects. Stick with a clotrimazole or miconazole vaginal cream and use it for the full seven days, even if symptoms improve earlier. Your midwife or doctor can confirm the right product for your stage of pregnancy.
Dealing With Recurring Infections
Some women get four or more yeast infections a year. At that point, the pattern is considered recurrent and usually needs a longer treatment strategy rather than treating each episode individually. A typical approach involves taking fluconazole on days 1, 4, and 7 to clear the current infection, followed by a maintenance dose taken regularly for up to six months to keep yeast levels suppressed.
Oteseconazole (Vivjoa) is a newer prescription option approved specifically for women with recurrent infections who cannot become pregnant, either because they are postmenopausal or permanently infertile. If your infections keep coming back despite standard treatment, it’s worth discussing this with your doctor to identify whether a resistant yeast strain or an underlying factor like uncontrolled blood sugar is driving the cycle.
Habits That Help Prevent Thrush
Yeast thrives on sugar and warm, moist environments. Keeping a few daily habits in check can make a real difference in how often infections return.
- Skip douches and scented products. Vaginal sprays, perfumed tampons, and douches disrupt the natural balance of bacteria that keeps yeast in check. Washing the external area with plain water or a mild, unscented soap is enough.
- Reduce dietary sugar. Yeast feeds on simple sugars. Women who deal with recurrent infections often benefit from cutting back on white flour, white rice, sugary drinks, and foods fermented with yeast. This is sometimes called a candida diet, though the evidence is strongest for women whose blood sugar is already poorly controlled.
- Manage blood sugar if you have diabetes. High blood sugar feeds vaginal yeast directly. Keeping glucose levels well controlled is one of the most effective ways to reduce infection frequency.
- Wear breathable fabrics. Cotton underwear and loose-fitting clothing reduce the warm, damp conditions yeast needs to multiply. Change out of wet swimwear or sweaty workout clothes promptly.
- Be strategic with antibiotics. Antibiotics kill the beneficial bacteria that normally keep yeast populations low. If you’re prescribed a course and you’re prone to thrush, let your doctor know so a preventive antifungal can be considered alongside it.
What to Expect During Treatment
Most women notice itching and irritation starting to ease within 24 to 48 hours of beginning treatment. Full resolution, including the discharge, typically takes three to seven days depending on the product strength. If you’re using a vaginal cream or pessary, some mild burning or irritation at the application site is normal and usually fades quickly.
If symptoms haven’t improved after completing the full course, or if they come back within two months, the initial diagnosis may have been wrong or you may be dealing with a resistant strain of yeast. At that point, a lab culture can identify exactly which organism is causing the problem and guide the right prescription.