Most vaginal yeast infections clear up within a few days to a week with the right treatment, and many can be handled with over-the-counter products you can pick up at any pharmacy. If this is your first infection, your symptoms are severe, or you keep getting them, the approach changes. Here’s what works, how fast to expect relief, and what to do if the infection keeps coming back.
Make Sure It’s Actually a Yeast Infection
Before you treat anything, it helps to know what you’re dealing with. Yeast infections produce thick, white, odorless discharge, often with a white coating in and around the vagina. Itching, burning, and swelling of the vulva are the hallmark symptoms. Bacterial vaginosis, which requires completely different treatment, causes grayish, foamy discharge that smells fishy. If your discharge has a strong odor, is grayish or greenish, or you have pelvic pain or fever, you’re likely dealing with something other than yeast.
If you’ve had a yeast infection before and recognize the symptoms, treating it yourself is reasonable. If this is your first time, or the symptoms don’t match what you’ve experienced before, getting a proper diagnosis matters. Using the wrong treatment wastes time and can let the real problem get worse.
Over-the-Counter Treatments
For a straightforward yeast infection that’s mild to moderate, short-course antifungal creams and suppositories sold without a prescription work well. The two most common active ingredients are clotrimazole and miconazole, both available at any drugstore. These come in different treatment lengths: 1-day, 3-day, and 7-day options. The shorter courses use a higher concentration of the active ingredient, so the total amount of medication is similar regardless of which you choose.
A 3-day regimen is the most popular middle ground. You insert the cream or suppository vaginally, typically at bedtime so the medication stays in place overnight. Some products also include an external cream for vulvar itching and irritation. Tioconazole is another OTC option that works as a single-dose ointment applied once.
You should start feeling some relief within 2 to 3 days, though it can take a full week for the infection to completely clear. If your symptoms haven’t improved at all after 3 days of treatment, that’s a sign you may need something stronger or may not be dealing with a yeast infection.
Prescription Options
The most well-known prescription treatment is fluconazole, an oral antifungal pill. For an uncomplicated yeast infection, it’s a single 150 mg dose, one pill, one time. It works by killing the yeast directly or stopping it from growing. Many people prefer this route because it’s simpler than using vaginal creams for several days.
For severe infections with intense redness, swelling, or cracking of the skin, a single dose often isn’t enough. The standard approach is either 7 to 14 days of a topical antifungal cream or two oral doses of fluconazole spaced 72 hours apart. Severe infections take longer to resolve, so patience matters here.
There are also prescription-strength vaginal creams and suppositories (terconazole, butoconazole) that your provider may recommend if OTC products haven’t worked or if you prefer a topical option with a different formulation.
What to Do About Recurrent Infections
Recurrent yeast infections, defined as four or more episodes in a year, require a different strategy. A short course of treatment will clear each individual episode, but it won’t stop the cycle. The CDC-recommended approach has two phases. First, a longer initial treatment of 7 to 14 days of topical therapy (or three oral doses of fluconazole taken on days 1, 4, and 7) to fully knock the yeast back. Then, a maintenance phase of weekly oral fluconazole for six months to keep the yeast from regrowing.
This maintenance approach works for most people, but stopping it sometimes leads to another recurrence. If you’re dealing with a strain of yeast that isn’t the common Candida albicans, standard fluconazole may not work at all. These non-albicans strains require 7 to 14 days of a different antifungal. For recurrent non-albicans infections, boric acid vaginal suppositories (600 mg daily for 3 weeks) are the go-to option. Boric acid acts primarily locally in the vagina, with only about 6% absorbed into the body, which is why it’s considered safe for short-term use.
People with diabetes, HIV, or conditions that weaken the immune system are more prone to complicated or stubborn infections. Managing the underlying condition, particularly keeping blood sugar well controlled, makes a meaningful difference in how well treatment works.
Do Probiotics Help?
Probiotics containing Lactobacillus strains have gotten a lot of attention for yeast infections, and the evidence is mixed but worth understanding. A large meta-analysis published in the American Journal of Obstetrics & Gynecology found that taking probiotics alongside antifungal medication improved short-term cure rates (within one month) and reduced recurrence at six months. For recurrent infections specifically, the combination improved the three-month cure rate significantly.
However, probiotics alone aren’t as effective as antifungal drugs. When compared head to head, antifungals achieved better long-term results for clearing the yeast. Probiotics did outperform placebo for preventing recurrence of yeast infections over six months, suggesting they have a role in prevention even if they’re not strong enough as a standalone treatment. The bottom line: probiotics are a reasonable add-on to antifungal treatment, especially if you’re trying to prevent future infections, but they shouldn’t replace antifungal medication for an active infection.
Preventing Future Infections
Some yeast infections happen for no identifiable reason, but a few habits reduce your risk. Wear cotton underwear and avoid tight-fitting clothing that traps heat and moisture. Keep the vaginal area clean and dry, changing out of wet swimsuits or sweaty workout clothes promptly. Avoid scented products in the vaginal area, including douches, sprays, and scented pads or tampons, which can disrupt the natural balance of bacteria and yeast.
Antibiotics are one of the most common triggers for yeast infections because they kill the protective bacteria that normally keep yeast in check. If you know antibiotics tend to cause yeast infections for you, ask your provider about a preventive dose of fluconazole when you start an antibiotic course. Hormonal changes from pregnancy, birth control, or hormone therapy can also shift the vaginal environment in favor of yeast overgrowth, which is why some people notice a pattern tied to their cycle or medication changes.
Pregnancy and Yeast Infections
Yeast infections are more common during pregnancy due to hormonal shifts, but treatment options are more limited. Oral fluconazole is not recommended during pregnancy. Topical antifungal creams like clotrimazole and miconazole, applied vaginally for 7 days, are the standard approach. If you’re pregnant and think you have a yeast infection, it’s worth getting it confirmed before treating, since the symptoms overlap with other conditions that need different management.