For most yeast infections, doctors prescribe either a single oral antifungal pill or a prescription-strength vaginal cream or suppository. The most common prescription is fluconazole, a single 150 mg pill taken once. Treatment choice depends on whether the infection is a first episode, a recurring problem, or complicated by pregnancy or other factors.
The Single-Pill Option: Fluconazole
Fluconazole is the go-to oral prescription for uncomplicated yeast infections. You take one 150 mg tablet, and that’s the entire course of treatment. It works by stopping the overgrowth of Candida, the fungus responsible for the infection. Most people notice symptom relief within a day or two, though it can take up to three days for itching and discharge to fully resolve.
The appeal of fluconazole is obvious: one pill, done. It’s effective for the vast majority of straightforward yeast infections, and it avoids the mess and multi-day commitment of vaginal creams. That said, it’s not appropriate for everyone. It can interact with certain medications, and it carries risks during pregnancy that make it a poor choice for anyone who is or could be pregnant.
Prescription Vaginal Creams and Suppositories
When a doctor prescribes a topical treatment instead of a pill, the two most common options are terconazole and butoconazole. These are stronger than the over-the-counter creams you’d find at a pharmacy, and they come in different strengths that determine how many days you use them.
Terconazole is available as either a cream or a vaginal suppository. In its higher-strength cream form, you use it at bedtime for three days. The lower-strength version is used nightly for seven days. Suppositories follow a three-day schedule. All are applied at bedtime to give the medication time to work overnight.
Butoconazole comes as a single-dose bioadhesive cream, meaning you apply it once and the formula sticks to the vaginal walls to release medication over several days. It’s a good middle ground for people who want a topical treatment without a multi-day routine.
Doctors typically choose a prescription topical over fluconazole when a patient can’t take oral antifungals, prefers not to, or has a reason to avoid systemic medication (meaning medication that circulates through the whole body rather than acting locally).
Treatment During Pregnancy
Pregnancy changes the equation significantly. Oral antifungals like fluconazole are not recommended during pregnancy, particularly during the first trimester, because of a possible link to miscarriage and birth defects. Newer oral antifungals carry similar restrictions.
Instead, doctors recommend vaginal creams or suppositories containing clotrimazole or miconazole, which are safe to use at any point during pregnancy and do not cause birth defects or pregnancy complications. A seven-day formula tends to work better than shorter courses during pregnancy, likely because hormonal changes make the infection slightly harder to clear.
Newer Prescriptions for Tough Cases
For yeast infections that don’t respond to standard treatment, or for people dealing with frequent recurrences, a newer class of medication offers an alternative. Ibrexafungerp works differently from traditional antifungals. Rather than belonging to the same drug family as fluconazole, it kills yeast through a separate mechanism, which makes it useful when standard treatments fail or when the specific strain of Candida is resistant to older drugs.
The typical course is two doses in a single day, taken about 12 hours apart (for example, morning and evening), with each dose being 300 mg. It’s approved for both treating active infections and reducing the risk of the infection coming back. However, it carries a serious warning for pregnancy: it can harm a developing baby, and doctors will typically confirm you’re not pregnant before prescribing it. Effective birth control is required during treatment and for at least four days after the last dose.
When Yeast Infections Keep Coming Back
Recurrent yeast infections, generally defined as three or more episodes in a single year, call for a different approach than a one-time prescription. Doctors often start with an initial treatment course to clear the current infection, then prescribe a maintenance regimen of fluconazole taken at regular intervals (often weekly) for up to six months. The goal is to suppress the yeast long enough for the vaginal environment to stabilize.
For people whose infections resist fluconazole or keep returning despite maintenance therapy, ibrexafungerp may be prescribed as a longer-term option. Your doctor may also order a vaginal culture to identify the exact species of Candida causing the problem. Most yeast infections are caused by Candida albicans, which responds well to standard antifungals. But other species, particularly Candida glabrata, are naturally less sensitive to the usual medications and may require a different treatment strategy.
OTC vs. Prescription: When You Need the Doctor
Over-the-counter treatments like miconazole and clotrimazole (the active ingredients in products like Monistat) work well for many straightforward yeast infections. Doctors generally recommend trying an OTC option first if you’ve had a yeast infection before and recognize the symptoms clearly.
A prescription becomes the better route in several situations: if it’s your first yeast infection and you’re not sure that’s what it is, if OTC treatment didn’t work, if your symptoms are severe (significant swelling, redness, or cracking of the skin), if you’re pregnant, or if you’ve had multiple infections in a short period. In these cases, a doctor can confirm the diagnosis, rule out other conditions that mimic yeast infections (like bacterial vaginosis or certain skin conditions), and tailor the prescription to your specific situation.