The most effective treatments for a vaginal yeast infection are antifungal medications, available both over the counter and by prescription. Most infections clear up within a few days to a week with proper treatment, though severe cases can take longer. What works best depends on whether this is your first infection, how severe your symptoms are, and whether you’re dealing with recurring episodes.
How to Know It’s Actually a Yeast Infection
Before treating anything, it helps to be sure you’re dealing with yeast and not something else. Yeast infections are caused by an overgrowth of a fungus called Candida, and they produce a specific set of symptoms: itching and burning around the vulva and vagina, pain during sex, and a thick, white discharge that’s often compared to cottage cheese.
Bacterial vaginosis, which is the most common condition confused with yeast, looks quite different. BV produces a thin, grayish discharge that’s heavier in volume and has a noticeable odor, especially after a period or after intercourse. BV can cause irritation but typically doesn’t cause pain. If your discharge is thin, gray, or has a strong smell, an antifungal won’t help, and you’ll need a different treatment entirely. If you’ve never had a confirmed yeast infection before, getting a proper diagnosis first saves you time and money.
Over-the-Counter Antifungal Treatments
The fastest route for most people is an OTC antifungal cream or suppository from a pharmacy. These come in three main active ingredients: miconazole (Monistat), clotrimazole (Gyne-Lotrimin), and tioconazole (Vagistat). All three are effective. The main difference is how long you use them.
Treatment courses come in 1-day, 3-day, and 7-day options. Shorter courses use higher concentrations of the active ingredient. A single-dose tioconazole ointment, for example, performs comparably to a 3-day course of clotrimazole tablets in clinical trials. The 7-day regimens use lower doses spread over a longer period. If you have a mild infection, any duration works well. For more uncomfortable symptoms, many people find that 3-day or 7-day treatments cause less local irritation than the concentrated single-dose options.
Most people notice symptom relief within the first day or two of treatment, but it’s important to finish the full course even if you feel better early. Stopping too soon can allow the infection to come back.
Prescription Options
If OTC treatments haven’t worked, or if you prefer a pill over a cream, a doctor can prescribe an oral antifungal. The standard prescription is a single 150-milligram dose taken by mouth. It’s convenient because there’s no messy application, and it works systemically through the bloodstream rather than locally.
For recurrent infections (four or more per year), doctors often prescribe a longer course or a maintenance schedule to keep the fungus from bouncing back. This is one situation where seeing a healthcare provider is genuinely necessary, because recurrent yeast infections sometimes involve drug-resistant strains that need a different approach.
Boric Acid for Stubborn Infections
Boric acid vaginal suppositories are sometimes recommended for infections that don’t respond to standard antifungals, particularly those caused by less common Candida strains. These are available over the counter but are best used under guidance from a healthcare provider, especially if you have diabetes, immune system issues, or are pregnant or breastfeeding.
A few important safety notes: boric acid is for vaginal use only and is toxic if swallowed. You should avoid sex during treatment, since boric acid can weaken latex condoms and diaphragms. Tampon use is also not recommended while using suppositories.
Probiotics and Vaginal Health
Probiotics won’t cure an active infection on their own, but certain strains can help restore the balance of bacteria in the vagina and reduce your risk of future infections. A healthy vaginal environment is dominated by Lactobacillus bacteria, which produce hydrogen peroxide and keep Candida in check.
Two strains have the strongest evidence behind them. Lactobacillus rhamnosus is the most researched probiotic for vaginal health and has been shown to kill both bacteria and yeast in the vagina, helping restore normal flora in people with a history of yeast infections, BV, or urinary tract infections. Lactobacillus crispatus is one of the dominant species in a healthy vaginal microbiome and produces hydrogen peroxide that makes the environment inhospitable to yeast. You can find these in oral probiotic supplements marketed for vaginal health, as well as in some yogurts and fermented foods, though supplements deliver more targeted doses.
What to Skip: Tea Tree Oil and Douching
Tea tree oil shows up frequently in home remedy lists, but the risks outweigh any potential benefit. Essential oils should never be applied directly to vaginal tissue without proper dilution, and even diluted, they can cause itching, burning, redness, and watery discharge. The FDA does not regulate the purity or quality of essential oils, so what’s in the bottle may not match the label. Homemade suppositories are not recommended, and douching with tea tree oil and water can actually upset the vagina’s natural environment and lead to further infection. Regular douching is also linked to difficulty getting pregnant.
Apple cider vinegar carries similar risks. The vagina is a self-cleaning organ with a carefully maintained pH, and introducing acidic liquids can disrupt the very balance you’re trying to restore.
Preventing Future Infections
Once you’ve dealt with one yeast infection, small daily habits can lower your chances of getting another. The CDC recommends three straightforward steps: wear cotton underwear, choose breathable clothing that isn’t too tight, and keep the vaginal area clean and dry.
Cotton is key because synthetic fabrics trap moisture and warmth, which is exactly the environment Candida thrives in. Change out of wet swimsuits and sweaty workout clothes promptly. After showering, dry the area thoroughly before getting dressed. Avoid scented soaps, sprays, and wipes in the genital area, as these can disrupt the natural microbial balance and create an opening for yeast overgrowth.
If you’re someone who gets yeast infections after taking antibiotics, that’s because antibiotics kill off protective Lactobacillus bacteria along with whatever infection they’re treating. Taking a probiotic during and after an antibiotic course can help replenish those protective bacteria faster.