The most effective treatments for a yeast infection are antifungal creams, suppositories, or ointments that you can buy without a prescription. These over-the-counter options clear symptoms and eliminate the infection in 80% to 90% of women who complete the full course. For most uncomplicated yeast infections, you can start treating at home the same day you notice symptoms.
Over-the-Counter Antifungal Treatments
Three active ingredients dominate the drugstore aisle: miconazole (Monistat), clotrimazole (Lotrimin), and tioconazole. All three work by disrupting the cell walls of the yeast, and they come in creams, ointments, and suppositories. The main difference between products is how long you use them.
You’ll typically choose between a 1-day, 3-day, or 7-day regimen. Shorter treatments use higher concentrations of the active ingredient, while longer treatments use lower concentrations spread over more days. A 7-day treatment tends to be gentler and is often recommended for people with sensitive skin or a first-time infection. A single-dose tioconazole ointment is also available if you want a one-and-done application. All formats have similar cure rates when used as directed, so the choice mostly comes down to preference and comfort.
Prescription Options
If over-the-counter products don’t work, or if you’d rather skip the creams entirely, a doctor can prescribe an oral antifungal pill called fluconazole. For a straightforward yeast infection, it’s usually a single pill. Many women prefer this route because it’s simple, though it can interact with a long list of other medications, so it’s worth mentioning everything you take when you ask for the prescription.
A newer oral option, ibrexafungerp, works through a completely different mechanism than traditional antifungals. A meta-analysis of four clinical trials covering 880 patients found it had a 33% higher clinical cure rate compared to placebo. Because it attacks the yeast differently, it can be useful when standard antifungals haven’t worked or when the infection is caused by a resistant strain.
Treatments During Pregnancy
If you’re pregnant, stick with vaginal creams or suppositories rather than oral antifungals. Topical treatments like clotrimazole don’t cause birth defects or pregnancy complications. A 7-day formula is recommended over shorter courses for the best results.
Oral fluconazole, on the other hand, has a possible link to miscarriage and birth defects, particularly during the first trimester. It should be avoided during pregnancy.
Boric Acid for Stubborn Infections
Boric acid vaginal suppositories are sometimes used for yeast infections that don’t respond to standard antifungals, particularly those caused by less common yeast strains. The typical protocol, based on guidelines from UW Medicine, involves inserting one capsule vaginally each night for two weeks to treat an active infection. To prevent recurrence afterward, you’d use it two nights per week for six to twelve months.
One critical safety point: boric acid is toxic if swallowed. It’s safe inside the vagina but must never be taken by mouth, and capsules should be kept far away from children. You’ll find boric acid suppositories at most pharmacies, though it’s worth discussing this option with a provider before starting, especially for a maintenance regimen.
Probiotics as a Supplement to Treatment
Probiotics won’t replace antifungal medication, but taking them alongside your treatment can meaningfully improve results. A Cochrane review of clinical trials found that adding Lactobacillus-based probiotics to antifungal therapy improved short-term cure rates by 14%. Even more striking, three of those trials showed that probiotics reduced the chance of the infection coming back within a month by 66%.
The strains studied included L. rhamnosus, L. acidophilus, L. casei, and L. delbrueckii, often combined with Bifidobacterium species. Both vaginal and oral probiotic capsules were used across the trials. Side effects were no different from placebo, making this a low-risk addition to standard treatment. Look for a probiotic that specifically lists Lactobacillus strains on the label, as general “digestive health” probiotics may not contain the right organisms.
What About Tea Tree Oil?
Tea tree oil has genuine antifungal properties. It works by disrupting the cell membranes of Candida and can even inhibit the protective biofilms yeast forms. Concentrations up to 20% appear safe without major adverse effects in lab studies.
The catch is potency. In a head-to-head lab comparison, tea tree oil at 5% and 10% concentrations produced inhibition zones of about 7 and 9 millimeters, while a standard antifungal produced zones of over 25 millimeters. That’s a significant gap. Tea tree oil slows yeast growth at low concentrations but only kills it at higher ones. It may provide some relief as a complementary measure, but it’s not a reliable standalone treatment for an active infection. If you do use it, never apply undiluted tea tree oil to vaginal tissue.
Make Sure It’s Actually a Yeast Infection
Before you treat, it helps to know what you’re dealing with. Yeast infections and bacterial vaginosis can feel similar, with overlapping symptoms like discharge and irritation. One simple differentiator is vaginal pH. Yeast infections typically keep pH below 4.5, while bacterial vaginosis pushes it to 4.5 or above. At-home pH test strips are available at most pharmacies. If your pH is elevated, the problem likely isn’t yeast, and antifungal treatments won’t help.
Classic yeast infection symptoms include thick, white, cottage cheese-like discharge, intense itching, and redness or swelling around the vulva. If your discharge is thin, grayish, or has a fishy odor, that pattern points more toward bacterial vaginosis, which requires a different treatment entirely.
Lifestyle Changes That Help Prevent Recurrence
Yeast thrives in warm, moist environments, so reducing trapped moisture in the vaginal area makes a real difference. Wear 100% cotton underwear, not synthetic fabrics with a cotton panel. That small cotton strip doesn’t provide the breathability your skin needs. Avoid wearing panty liners daily, as they decrease airflow and can cause irritation.
Going without underwear at night, or wearing loose pajamas or boxer shorts, increases air circulation and promotes healing during an active infection. Switch to a hypoallergenic, fragrance-free, dye-free laundry detergent, since many conventional detergents leave residue on fabric that irritates vulvar skin. These adjustments are especially important if you get yeast infections more than once or twice a year.