Most vaginal yeast infections clear up with antifungal medications available over the counter at any pharmacy. Creams, suppositories, and ointments containing miconazole or clotrimazole are the standard first-line options, and you can expect symptoms to start improving within two to three days of starting treatment. For stubborn or recurring infections, prescription options and other strategies can help.
Over-the-Counter Antifungal Treatments
The two most widely available OTC antifungals are miconazole (sold as Monistat) and clotrimazole (sold as Mycelex or Lotrimin AF). Both come as vaginal creams and suppositories in one-day, three-day, and seven-day formulations. A meta-analysis of 41 randomized controlled trials found that miconazole had a higher odds of clearing the infection compared to clotrimazole, though both performed significantly better than placebo.
The difference between a one-day and a seven-day product isn’t the total amount of medication. It’s the concentration per dose. A one-day treatment delivers the full course in a single application, while a seven-day product spreads the same total amount across seven smaller doses. If your skin tends to be sensitive or easily irritated, a longer course is generally gentler. Regardless of which length you choose, symptom relief typically begins around day two or three.
Prescription Options
When OTC treatments don’t work, or if you’d prefer a pill over a cream, a doctor can prescribe an oral antifungal. This is the most common prescription route, taken as a single dose by mouth. It’s convenient and effective, but it does interact with a long list of other medications, particularly drugs that affect heart rhythm. If you have liver disease, kidney problems, or a heart condition, your doctor will need to weigh the risks before prescribing it.
For recurrent infections, defined as three or more episodes in a single year, the CDC recommends a weekly oral antifungal dose continued for six months as maintenance therapy. If pills aren’t an option, intermittent use of topical treatments can serve as an alternative maintenance approach.
Boric Acid for Resistant Infections
Boric acid vaginal suppositories are sometimes recommended for yeast infections that don’t respond to standard antifungals, particularly those caused by less common yeast strains. The typical protocol is a 600 mg capsule inserted vaginally at bedtime for seven days. For recurring infections, that initial course extends to two weeks, followed by twice-weekly use for six months to a year to prevent recurrence.
Boric acid is toxic if swallowed, applied to open wounds, or used by children. It should never be used during pregnancy. When used correctly as a vaginal suppository, the most common side effect is mild skin irritation. You can purchase pre-made suppositories or fill size 0 gelatin capsules with boric acid powder yourself.
Probiotics as an Add-On
Probiotics alone are not a reliable substitute for antifungal medication. A systematic review and meta-analysis of randomized controlled trials found that when probiotics were used by themselves, they did not match the long-term cure rates of antifungal drugs.
Where probiotics showed more promise was as an add-on to standard antifungal treatment. Combining the two improved short-term cure rates by about 19% and reduced the chance of recurrence at six months. For women with recurrent infections specifically, the combination dramatically improved three-month cure rates. That said, the researchers rated the overall quality of evidence as low to very low, meaning these findings need stronger confirmation. If you want to try probiotics, use them alongside your antifungal treatment rather than instead of it.
Home Remedies to Be Cautious About
Tea tree oil, garlic, and yogurt are among the most commonly searched home remedies for yeast infections. The clinical evidence behind them is thin. A preliminary study on tea tree oil vaginal suppositories found the treatment was “generally well-tolerated” but acknowledged that both efficacy and safety remain inconclusive, particularly given the complexity of the vaginal microbiome. The study involved a small number of patients and called for larger trials before any recommendation could be made.
Inserting food products like garlic cloves or yogurt vaginally carries a risk of introducing bacteria or causing irritation. These approaches lack the controlled evidence behind OTC antifungals, which have decades of clinical use and well-established cure rates.
Treatment During Pregnancy
Yeast infections are common during pregnancy, and topical antifungal creams and suppositories like miconazole and clotrimazole are considered safe at any stage. They do not cause birth defects or pregnancy complications.
Oral antifungals are a different story. There is a possible link between oral antifungal pills and miscarriage or birth defects, especially when taken during the first trimester. Boric acid suppositories are also off-limits during pregnancy. Stick with OTC vaginal creams or suppositories, and opt for a seven-day course to minimize irritation.
Make Sure It’s Actually a Yeast Infection
Before treating yourself, it helps to know that several conditions cause similar symptoms but require completely different treatments. Yeast infection discharge is typically thick, white, and odorless, often with a white coating in and around the vagina. Bacterial vaginosis produces grayish, foamy discharge with a fishy smell. Trichomoniasis causes frothy, yellow-green discharge that smells bad and may contain spots of blood. Using an antifungal for one of these other conditions won’t help and delays proper treatment.
If this is your first time experiencing these symptoms, if your symptoms don’t improve after a full course of OTC treatment, or if you develop new or unusual symptoms alongside the infection, getting a proper diagnosis from a healthcare provider will point you toward the right treatment faster than guessing at home.