Most uncomplicated yeast infections clear up within a few days using over-the-counter antifungal creams, ointments, or suppositories that you can pick up at any pharmacy without a prescription. For a single, straightforward infection, you often don’t need to see a doctor at all. But knowing which treatment to choose, how long it takes, and when the situation calls for something stronger can save you days of unnecessary discomfort.
Over-the-Counter Antifungal Treatments
The most common OTC options are antifungal creams and suppositories containing clotrimazole or miconazole. These come in 1-day, 3-day, and 7-day regimens. The shorter courses use a higher concentration of the active ingredient, so all three options have similar cure rates. The 7-day version tends to cause less local irritation, which makes it a better choice if your skin is already very inflamed.
You insert the cream or suppository into the vagina, typically at bedtime so it stays in place overnight. Most people notice symptoms improving within 2 to 3 days, but it’s important to finish the full course even if you feel better sooner. Stopping early can allow the infection to bounce back. Many of these kits also include an external cream for itching and irritation on the vulva, which can provide faster surface-level relief while the internal treatment works.
When You Need a Prescription
If OTC treatments haven’t worked after a full course, or if your symptoms are severe, a doctor can prescribe oral fluconazole. The standard dose for a vaginal yeast infection is a single 150 mg tablet. It’s convenient because it’s just one pill, but it can take 2 to 3 days to feel the full effect since the medication works systemically rather than locally.
For more stubborn infections, your doctor may prescribe a second dose a few days after the first. If symptoms don’t improve or get worse, that’s a signal the infection may not actually be caused by yeast, which is more common than most people realize.
Make Sure It’s Actually a Yeast Infection
About two-thirds of women who self-diagnose a yeast infection are wrong. Other conditions, especially bacterial vaginosis and trichomoniasis, share overlapping symptoms like itching and unusual discharge, but they require completely different treatments. Using antifungal medication for something that isn’t a yeast infection delays proper treatment and can make things worse.
The discharge itself is your best clue. Yeast infections produce thick, white, odorless discharge, sometimes described as looking like cottage cheese. Bacterial vaginosis typically causes grayish, foamy discharge with a fishy smell. Trichomoniasis tends to produce frothy, yellow-green discharge that smells bad and may have spots of blood. If your symptoms don’t match the classic yeast infection pattern, or if this is your first time experiencing them, getting tested is worth the effort.
Pregnancy Changes the Treatment Rules
If you’re pregnant, oral antifungal medications like fluconazole are off the table. There’s a possible link between oral antifungal drugs and miscarriage or birth defects, particularly in the first trimester. Vaginal creams, ointments, and suppositories are considered safer during pregnancy.
Even if you’ve successfully self-treated yeast infections before, pregnancy is a time to confirm the diagnosis with a healthcare provider before starting any treatment. Your body’s hormonal changes make yeast infections more frequent during pregnancy, but they also make it easier to confuse yeast with other conditions. If you’re early in pregnancy, let your provider know, as that can affect which topical treatments they recommend.
Boric Acid Suppositories
Boric acid vaginal suppositories are sometimes recommended for yeast infections that resist standard antifungal treatments, particularly those caused by less common yeast strains. They’re inserted vaginally at bedtime and should never be taken by mouth, as boric acid is toxic if swallowed.
While using boric acid, avoid sex. The suppositories can interfere with condoms, diaphragms, and spermicides, making them unreliable for both STI prevention and contraception. Tampons should also be avoided during treatment. Boric acid isn’t appropriate for everyone. People who are pregnant, breastfeeding, trying to conceive, or who have diabetes or immune system issues should talk to a provider before using it.
Habits That Help Prevent Recurrence
Yeast thrives in warm, moist environments, which is why what you wear and how you manage moisture matters. Cotton underwear wicks away sweat and moisture far better than synthetic fabrics. Even underwear marketed as having a “cotton crotch panel” doesn’t offer the same breathability as fully cotton options. If you’re dealing with recurrent infections, switching to 100% cotton and choosing looser fits can make a noticeable difference.
Going without underwear at night is another simple change that promotes airflow and healing, especially during an active infection. Loose boxer shorts or pajama pants work just as well. Beyond clothing, avoid sitting in wet swimsuits or sweaty workout clothes for extended periods. Change as soon as you can.
You may have seen claims that cutting sugar from your diet will starve yeast and cure infections. The science doesn’t support this. While uncontrolled diabetes (which causes chronically high blood sugar) is a genuine risk factor for yeast infections, there’s no good evidence that reducing sugar in a normal diet prevents or treats them. Expensive anti-candida diets and supplement regimens marketed online are largely based on misinformation.
Recurrent Yeast Infections
If you’re getting three or more yeast infections in a single year, you fall into the category of recurrent vulvovaginal candidiasis, which affects fewer than 5% of women. At this point, the standard single-dose or short-course treatments are unlikely to provide lasting relief on their own.
Recurrent infections typically require a longer initial treatment to fully clear the yeast, followed by a maintenance regimen. This usually involves taking a weekly oral antifungal for several months to suppress regrowth. Your doctor may also want to culture the yeast to identify the specific strain, since some species are naturally resistant to common antifungal medications and need a different approach entirely. If you’ve been treating what you think are repeat yeast infections without ever getting a confirmed diagnosis, the first step is making sure yeast is actually the problem.