Most yeast infections clear up within a few days to a week with antifungal medication, either over-the-counter or prescription. The treatment you need depends on whether your infection is straightforward or complicated, and whether it keeps coming back.
Make Sure It’s Actually a Yeast Infection
Itching, soreness, and unusual discharge are the hallmarks of a vaginal yeast infection, but none of these symptoms are unique to yeast. Bacterial vaginosis and other vaginal infections can look and feel similar. A yeast infection typically produces a thick, white, clumpy discharge (often described as cottage cheese-like) and keeps the vaginal pH normal, below 4.5. If you’ve never had a yeast infection before, or if your symptoms feel different from past episodes, getting tested gives you the clearest path to the right treatment.
Over-the-Counter Antifungal Treatments
For a straightforward yeast infection, antifungal creams and suppositories available at any pharmacy are effective. These products come in one-day, three-day, and seven-day formulations. The active ingredients work by breaking down the cell walls of the yeast, killing the overgrowth directly at the site of infection.
You insert the cream or suppository vaginally, typically at bedtime so it stays in place overnight. Many products also include an external cream for the vulvar itching and irritation that often accompanies the internal infection. Symptom relief usually begins within the first day or two, though you should finish the full course even if you start feeling better sooner.
Prescription Options
A single 150 mg oral antifungal pill is the most common prescription treatment. It works systemically, reaching the infection through your bloodstream rather than being applied locally. Many people prefer this option for convenience. It typically clears an uncomplicated infection just as effectively as creams and suppositories.
For more severe infections with significant swelling, cracking, or sores, a longer course of treatment may be necessary. This could mean multiple doses of the oral medication spaced a few days apart, or a longer course of topical antifungals. More severe cases generally take longer to resolve than the typical one-week timeline.
When Infections Keep Coming Back
Four or more yeast infections in a year qualifies as recurrent. This pattern is frustrating and requires a different strategy than treating each episode individually. Recurrent infections sometimes involve less common yeast strains that don’t respond well to standard antifungals.
For resistant or recurring cases, boric acid vaginal suppositories have become a first-line alternative. A typical regimen starts with daily use for 10 to 14 days to knock out the active infection, followed by maintenance doses of two to three times per week to keep it from returning. Boric acid is particularly useful when the infection is caused by a strain that doesn’t respond to conventional antifungals. These suppositories are available without a prescription at most pharmacies, but this type of extended regimen is best guided by a healthcare provider who can confirm what strain you’re dealing with.
What About Probiotics?
The vagina naturally maintains a balance of bacteria and yeast, and certain Lactobacillus bacteria play a key role in keeping yeast in check. Probiotic supplements containing specific strains, particularly L. rhamnosus GR-1 and L. reuteri RC-14, have shown the ability to improve vaginal flora when taken orally. These are the two most studied strains for vaginal health.
That said, probiotics work more as a supportive measure than a standalone treatment. They’re better suited for maintaining balance after you’ve cleared an active infection than for treating one on their own. If you’re dealing with recurrent infections, adding a targeted probiotic may help extend the time between episodes.
Lifestyle Changes That Help
Yeast thrives in warm, moist environments, so what you wear and how you care for the area matters. The CDC recommends wearing cotton underwear, choosing breathable clothing that isn’t too tight, and keeping the vaginal area clean and dry. Sitting in a wet swimsuit or sweaty workout clothes for hours creates exactly the conditions yeast loves.
Avoid douching or using scented products in the vaginal area. These disrupt the natural bacterial balance that keeps yeast populations in check. After bathing or swimming, change into dry clothes promptly. These habits won’t cure an active infection, but they reduce the likelihood of creating an environment where yeast can overgrow in the first place.
Signs Your Infection Needs Medical Attention
Treat your first yeast infection with a healthcare provider’s guidance rather than self-treating, since you need to rule out other causes. You should also seek care if over-the-counter treatment doesn’t resolve your symptoms, if your symptoms are severe (extensive redness, swelling, or skin that has cracked or torn), or if you develop new symptoms alongside the usual ones.
Certain situations make yeast infections more complex and harder to treat on your own. Pregnancy, poorly managed diabetes, and a weakened immune system all increase the risk of complicated infections that need closer medical oversight. In these cases, the standard one-dose or short-course treatments may not be sufficient, and your provider can tailor a plan that accounts for your specific health picture.