Most yeast infections clear up within a few days to a week with the right antifungal treatment, and many options are available without a prescription. The key is choosing the right format and duration for your situation, then taking a few steps to keep the infection from coming back.
Over-the-Counter Antifungal Treatments
The fastest way to treat a yeast infection at home is with an OTC antifungal cream, ointment, or suppository. These products come in 1-day, 3-day, and 7-day formulas. The active ingredients are typically miconazole, clotrimazole, or tioconazole, and all three work by killing the fungus directly at the site of infection.
Shorter treatments use higher concentrations of the medication, so a 1-day product isn’t necessarily gentler. If this is your first time treating a yeast infection on your own, a 7-day formula tends to be the most reliable option and causes less irritation. The 3-day and 1-day versions are convenient if you’ve had yeast infections before and know how your body responds. Many products also come with an external cream to relieve itching on the vulva while the internal medication works.
You’ll typically notice itching and burning start to improve within two to three days of starting treatment. If symptoms haven’t improved at all after three days, or if they get worse, it may not be a yeast infection, and you should get it checked.
When You Need a Prescription
For infections that don’t respond to OTC treatment, or when you prefer taking a pill instead, a doctor can prescribe a single 150 mg oral dose of fluconazole. It’s effective and convenient: one pill, and the infection usually resolves within a few days. Some people experience mild nausea or a headache, but side effects are uncommon at this dose.
For more severe infections with significant swelling, redness, or cracking of the skin, your doctor may recommend a longer course of treatment or a combination of oral and topical medication. More severe cases can take longer than a week to fully clear.
How to Tell It’s Actually a Yeast Infection
This matters because treatments for yeast infections won’t help if the problem is something else. Bacterial vaginosis (BV) is the most commonly confused condition, and the two feel different. A yeast infection typically causes thick, white, clumpy discharge (often compared to cottage cheese) along with intense itching and burning. BV usually produces thinner, grayish discharge with a noticeable fishy odor, especially after sex.
One practical difference: vaginal pH. A healthy vagina sits below 4.5 on the pH scale, and yeast infections don’t change that number. BV pushes pH to 4.5 or higher. At-home pH test strips can help you distinguish between the two, though they aren’t definitive on their own. If you’ve never had a yeast infection before, getting a proper diagnosis first is worth the effort since studies show that self-diagnosis is wrong roughly half the time.
Treating Yeast Infections During Pregnancy
Yeast infections are more common during pregnancy due to hormonal shifts, and they’re safe to treat with topical creams and suppositories. Clotrimazole and miconazole can be used at any point during pregnancy without risk of birth defects or complications. A 7-day formula is the recommended choice over shorter courses.
Oral antifungal medications are a different story. Fluconazole, particularly during the first trimester, has a possible link to miscarriage and birth defects. It should be avoided during pregnancy entirely unless a doctor specifically determines the benefit outweighs the risk.
Dealing With Recurring Infections
If you’re getting three or more yeast infections in a single year, that qualifies as recurrent vulvovaginal candidiasis. It’s frustrating, but it’s also common. The standard approach is a maintenance regimen: a weekly oral antifungal dose for six months. This is effective at keeping infections under control, though it rarely eliminates the pattern permanently. If oral medication isn’t an option, intermittent topical treatments can serve a similar purpose.
Recurrent infections sometimes signal that a less common strain of yeast is involved, one that doesn’t respond well to standard antifungals. In those cases, your doctor may recommend boric acid vaginal suppositories, which are available by prescription and used at bedtime. Boric acid works against strains that resist typical treatments, but it should never be taken orally since it’s toxic when swallowed.
What You Wear and How It Helps
Yeast thrives in warm, moist environments, so what you wear around your vulva genuinely matters. Cotton underwear wicks moisture away from the skin, reducing the conditions yeast needs to grow. If you’re prone to infections, 100% cotton and a looser fit make a noticeable difference. Going without underwear at night increases airflow and can help an active infection heal faster.
Panty liners decrease breathability and can contribute to irritation if worn daily. Save them for when you actually need them. Interestingly, research has found that thong underwear doesn’t increase your risk of yeast infections, BV, or urinary tract infections, so the fabric matters more than the style.
Dietary Changes That May Help
Yeast feeds on sugar. If you have uncontrolled diabetes or consistently high blood sugar, the excess glucose in your body can fuel yeast overgrowth in the vagina. Getting blood sugar under control is one of the most effective things you can do if infections keep returning.
Even without diabetes, a diet heavy in simple sugars, white flour, white rice, and fermented foods may contribute to recurrent infections. Some people find that cutting back on these foods, sometimes called a candida diet, reduces their frequency of infections. The evidence here is more anecdotal than clinical, but the dietary changes involved (less refined sugar, more whole foods) carry no downside and may help tip the balance in your favor.
Other Habits Worth Changing
A few everyday habits can either promote or prevent yeast overgrowth. Avoid douching, which disrupts the natural balance of bacteria and yeast in the vagina. Skip scented soaps, bubble baths, and scented tampons or pads near the vulva. Change out of wet swimsuits and sweaty workout clothes promptly, since sitting in damp fabric creates the exact environment yeast loves.
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’re taking antibiotics and know you’re prone to yeast infections, ask your doctor about using a preventive antifungal alongside your antibiotic course. It’s a simple step that can save you a lot of discomfort.