Vaginal thrush clears up with antifungal treatment, often within a few days. About 75% of women experience at least one episode, and most uncomplicated cases resolve with a single oral capsule or a short course of vaginal cream. The key is matching the right treatment to your situation and knowing what to do if it keeps coming back.
Over-the-Counter Treatments That Work
The fastest route for a straightforward case of thrush is an antifungal cream or pessary (a small tablet inserted into the vagina). Vaginal antifungal cream is typically inserted at bedtime for 3 or 7 days, depending on the product strength. You can also apply a lower-concentration version of the same cream to the outside of the vulva twice a day for up to 7 days to relieve external itching and irritation.
The other common option is a single oral capsule containing 150 mg of fluconazole. You take one dose, and for most women that’s the entire treatment. Symptoms usually start improving within 24 hours and fully resolve within a few days. Both approaches, topical and oral, have similar cure rates for uncomplicated thrush, so it comes down to personal preference.
Treatment During Pregnancy
If you’re pregnant, oral antifungal capsules are not recommended, particularly in the first trimester. There is a possible link between oral antifungals and miscarriage or birth defects. Vaginal creams and pessaries are considered the safer choice during pregnancy. If you’re unsure which product to use or how long to use it, a pharmacist can guide you to the right one.
How to Tell It’s Actually Thrush
Before you treat, it helps to be reasonably sure of what you’re treating. Thrush and bacterial vaginosis are the two most common vaginal infections, and they look quite different once you know what to check for.
Thrush produces a thick, white discharge with a cottage cheese-like texture. Itching is the hallmark symptom, especially in younger women, and you may also feel a burning sensation during urination. There’s usually no strong odor.
Bacterial vaginosis, by contrast, causes a thin, gray or yellowish discharge with a noticeable fishy smell. It generally doesn’t cause itching or burning. The distinction matters because bacterial vaginosis requires antibiotics, not antifungals. Using the wrong treatment wastes time and can let the actual infection worsen.
If this is your first episode, if you’re not sure what you’re dealing with, or if over-the-counter treatment doesn’t work, getting a proper diagnosis through a swab test is worthwhile.
When Thrush Keeps Coming Back
Around 40 to 45% of women have two or more episodes of thrush in their lifetime, and some experience four or more in a single year. Recurrent thrush is frustrating but manageable. It typically requires a longer treatment plan: an initial course to clear the current infection, followed by a lower-dose antifungal taken regularly for several months to prevent relapse.
In some cases, the yeast species causing the infection doesn’t respond well to standard antifungals. When first-line treatments fail repeatedly, a healthcare provider may recommend boric acid vaginal suppositories as a second-line option. These are used at bedtime, should never be taken by mouth, and aren’t suitable during pregnancy. You’ll want to avoid tampons during treatment and know that boric acid can interfere with condoms and diaphragms.
Probiotics as an Add-On
There’s growing interest in using probiotics alongside antifungal treatment, and the early numbers are encouraging if not yet definitive. A meta-analysis found that adding Lactobacillus-based probiotics to standard antifungal therapy improved short-term cure rates by 14% and reduced the chance of relapse at one month by 66%. The probiotics used in these studies included strains of L. acidophilus, L. rhamnosus, and L. delbrueckii, delivered as either oral or vaginal capsules.
The evidence is strongest for using probiotics alongside antifungals, not instead of them. On their own, probiotics aren’t powerful enough to clear an active infection. But if you’re dealing with recurrent thrush, combining them with your regular treatment may help tip the balance. The quality of the studies so far is mixed, with at least one trial finding no improvement in symptoms, so expectations should be realistic.
Lifestyle Changes That Reduce Flare-Ups
Yeast thrives on sugar. If your blood sugar runs high, whether from uncontrolled diabetes or simply a diet heavy in refined carbohydrates, that creates a more hospitable environment for Candida in the vagina. Cutting back on white flour, white rice, and foods with a lot of simple sugars can help reduce overgrowth. This isn’t a cure on its own, but for women who get frequent infections, dietary changes can make a noticeable difference over time.
A few other practical steps help keep yeast in check:
- Wear cotton underwear. Synthetic fabrics trap heat and moisture, which yeast loves.
- Avoid scented products. Perfumed soaps, bubble baths, and vaginal washes can disrupt the natural balance of bacteria that keeps yeast under control. Lactobacillus bacteria in the vagina produce acid that discourages yeast overgrowth, and harsh products can kill off those protective bacteria.
- Change out of wet clothing quickly. Sitting in a damp swimsuit or sweaty workout gear gives yeast an ideal environment.
- Skip douching. It washes away the healthy bacteria that act as your body’s first line of defense against fungal overgrowth.
What to Expect During Recovery
With treatment, most women notice itching and irritation easing within the first day or two. The discharge may take a little longer to fully resolve, sometimes up to a week. If your symptoms haven’t improved after completing a full course of treatment, that’s a sign to get a proper diagnosis rather than starting another round of the same product. What feels like persistent thrush could be a different type of infection, a resistant yeast strain, or a skin condition that mimics thrush symptoms.