A few home remedies show genuine antifungal activity against Candida, the fungus behind most yeast infections, but none are as reliable as over-the-counter antifungal treatments. Most yeast infections clear up within a few days to a week with proper medication. If you want to try a home approach first, the options with the strongest evidence are boric acid suppositories, certain probiotics, and coconut oil, though each comes with important caveats.
Boric Acid Suppositories
Boric acid is the most studied home-level remedy for vaginal yeast infections. A research review evaluating 14 studies found cure rates ranging from 40% to 100%. The standard approach is a 600-milligram vaginal suppository inserted once daily for 7 to 14 days. A study comparing two-week and three-week treatment courses found virtually no difference in outcomes, so extending beyond 14 days doesn’t appear to help.
Boric acid works best for recurrent or drug-resistant yeast infections, particularly those caused by less common Candida strains that don’t respond well to standard antifungals. It is not safe to take by mouth. Boric acid suppositories are available without a prescription at most pharmacies, but you should avoid them entirely if you’re pregnant.
Probiotics
Certain strains of Lactobacillus bacteria help control Candida growth by producing lactic acid, which lowers the vaginal pH to levels the fungus can’t tolerate. Lab research on two specific strains, L. rhamnosus GR-1 and L. reuteri RC-14, showed they not only suppressed fungal growth but actually killed Candida cells over time. These strains also appeared to reduce the fungus’s ability to resist standard antifungal medications, which may explain why combining probiotics with conventional treatment tends to work better than either one alone.
You can find these strains in oral probiotic supplements marketed for vaginal health. The effect isn’t immediate. Oral probiotics take days to weeks to shift vaginal flora, so they’re more useful for prevention or as a complement to other treatments than as a standalone fix for active symptoms.
Coconut Oil
Virgin coconut oil has confirmed antifungal properties against several Candida species, including C. albicans (the most common cause of yeast infections) and C. krusei. Lab testing showed coconut oil inhibited fungal growth at concentrations as low as 3.125 mg/mL, with higher concentrations needed to fully kill the organisms. The antifungal effect comes from a mix of active plant compounds in the oil rather than any single ingredient.
Some people apply a small amount of unrefined, virgin coconut oil externally to soothe itching and irritation. There are no large clinical trials confirming it works as a standalone vaginal treatment in humans, so it’s best considered a mild supportive option rather than a primary remedy.
Tea Tree Oil
Tea tree oil has antifungal properties, and a preliminary clinical study using a vaginal formulation containing 0.5% tea tree oil (combined with aloe vera and other ingredients) found that all participants reported symptom relief with no adverse effects. The key detail: this was a highly diluted, commercially prepared product, not pure essential oil. Undiluted tea tree oil can burn and irritate vaginal tissue. If you want to try it, look for a pre-formulated vaginal product rather than attempting to dilute the essential oil yourself.
Remedies That Don’t Work
Garlic is the most popular remedy that lacks real support. While garlic contains allicin, a compound with antifungal activity in lab settings, the evidence falls apart when applied to actual vaginal infections. One study found that oral garlic had no impact on vaginal yeast growth. A gynecologist quoted in Scientific American noted that nearly 10% of patients had tried garlic before seeking medical care, and not a single one found it helpful. That said, it probably doesn’t make things worse either.
Apple cider vinegar douches are another common suggestion with no clinical evidence behind them. Douching of any kind disrupts the vaginal microbiome and can push infections deeper or create conditions for bacterial vaginosis to develop alongside the yeast infection.
Make Sure It’s Actually a Yeast Infection
This matters more than which remedy you choose. Bacterial vaginosis (BV) is frequently mistaken for a yeast infection, and treating BV with antifungal remedies won’t help. The differences are straightforward: yeast infections produce thick, white, cottage cheese-like discharge with little odor and significant itching. BV causes thin, grayish discharge that’s heavier in volume with a noticeable fishy smell, especially after your period or after sex. If your symptoms don’t match the classic yeast infection pattern, home treatment is likely to waste your time.
Even women who’ve had yeast infections before aren’t reliably accurate at self-diagnosing new episodes. The CDC notes that anyone whose symptoms persist after using an over-the-counter treatment, or who has a recurrence within two months, should get a clinical evaluation and testing.
When Home Remedies Aren’t Enough
Home remedies are a reasonable first step only for uncomplicated yeast infections: mild to moderate symptoms, occurring sporadically, in otherwise healthy people. Complicated cases require medical treatment. This includes infections that keep coming back (four or more per year), symptoms that are severe with significant swelling or fissures, and infections in people with diabetes, HIV, or other conditions that affect immunity.
The Cleveland Clinic is clear that yeast infections don’t resolve on their own. Something with antifungal activity needs to be involved. If you try a home remedy and your symptoms haven’t improved within a week, switching to an over-the-counter antifungal cream or suppository is the logical next step. These typically clear an uncomplicated infection within a few days, though more severe cases can take longer.