Oral thrush is treated with antifungal medications, most often a liquid suspension you swish around your mouth or a lozenge you dissolve slowly. Mild cases typically clear up within one to two weeks of consistent treatment. More stubborn or severe infections may require a pill that works throughout your body. Alongside medication, a few simple hygiene steps can speed healing and keep the infection from coming back.
Topical Antifungal Medications
For most people with mild oral thrush, the first treatment is a topical antifungal, meaning the medication works directly on the inside of your mouth rather than traveling through your bloodstream. There are a few common options.
A liquid antifungal suspension is one of the most widely prescribed choices. Adults and children five and older typically take 4 to 6 milliliters (roughly a teaspoon) four times a day. You swish the liquid around your mouth, making sure it coats the white patches, and then swallow it. For older infants, the dose drops to 2 milliliters four times daily, and premature or low-birth-weight babies receive just 1 milliliter four times daily. Treatment usually continues for at least 14 days, even if the white patches disappear sooner. Stopping early is one of the most common reasons thrush comes right back.
Another option is antifungal lozenges (sometimes called troches). These are dissolved slowly in the mouth, one lozenge five times a day, spaced about three to four hours apart, for 14 consecutive days. The key is letting the lozenge dissolve completely rather than chewing or swallowing it, since the medication needs prolonged contact with the infected tissue to work.
When a Stronger Medication Is Needed
If topical treatments don’t clear the infection, or if thrush is moderate to severe, your provider will likely prescribe an oral antifungal pill. The standard approach is a higher dose on the first day (200 mg), followed by 100 mg once daily for at least two weeks. This type of medication enters your bloodstream and attacks the fungus systemically, making it more effective for infections that have spread deeper or that keep recurring.
Systemic treatment is also more common in people whose immune systems are weakened, whether from a medical condition, chemotherapy, or long-term steroid use. In those situations, topical medications alone often aren’t enough to fully eliminate the overgrowth.
Home Care That Actually Helps
Saltwater rinses are one of the simplest and most consistently recommended home measures. Dissolve about half a teaspoon of salt in one cup of warm water, swish it around your mouth, and spit it out. Don’t swallow it. The salt creates an environment that’s less hospitable to yeast and can soothe the soreness that comes with thrush. You can do this several times a day between doses of your antifungal medication.
Probiotics containing Lactobacillus and Bifidobacterium strains show genuine promise. In a randomized clinical trial of denture wearers, participants who took a daily probiotic lozenge for eight weeks saw a sharp reduction in Candida counts, particularly between the four- and eight-week marks. Probiotics won’t replace antifungal medication for an active infection, but they can help restore a healthier balance of microbes in your mouth during and after treatment.
Treating Thrush in Breastfeeding Pairs
Babies can develop oral thrush and pass it to their mother’s nipples during breastfeeding, and the mother can pass it right back. This back-and-forth cycle means both need to be treated at the same time. The baby will typically receive a liquid antifungal applied inside the mouth, while the mother applies an antifungal cream to her nipples after each feeding. If only one of you is treated, the infection will almost certainly return.
Signs of nipple thrush include unusual soreness, burning, or pink, shiny skin on or around the nipple. If your baby has white patches inside the mouth and you’re experiencing nipple pain, mention both symptoms to your provider so treatment can be coordinated.
Denture Care and Thrush Prevention
Dentures are one of the most common risk factors for oral thrush, and no amount of antifungal medication will keep thrush away if your dentures are harboring yeast. Chemical disinfection is more effective than brushing alone at eliminating Candida from denture surfaces. Soaking dentures in a 0.12% chlorhexidine solution or 0.5% sodium hypochlorite solution for 10 minutes once a week significantly decreases bacterial and fungal contamination. For daily maintenance, soaking dentures in a commercial denture cleanser for at least 30 minutes provides meaningful microbial reduction.
Remove your dentures at night to give your oral tissues time to recover. Sleeping in dentures creates a warm, moist, oxygen-poor environment that yeast thrives in.
Hygiene Steps During Treatment
Replace your toothbrush once you finish treatment. Your old brush can harbor Candida and reintroduce it to your mouth. If you use a tongue scraper or water flosser, clean those thoroughly as well.
Limiting sugar and refined carbohydrates during an active infection makes sense because yeast feeds on sugar. This isn’t a cure on its own, but it removes one factor that encourages overgrowth. If you use an inhaled corticosteroid for asthma, rinsing your mouth with plain water after each puff helps prevent thrush from developing in the first place.
Why Thrush Keeps Coming Back
Recurrent oral thrush is often a sign that something underlying is fueling the fungal overgrowth. Poorly controlled blood sugar is one of the most common culprits. High glucose levels in saliva essentially feed Candida, so thrush will keep returning until blood sugar is better managed. Regular dental checkups are especially important if you have diabetes or wear dentures, since early signs of thrush can be caught before a full outbreak develops.
Other factors that set the stage for recurrent infections include dry mouth (from medications or medical conditions), frequent antibiotic use that wipes out the bacteria keeping yeast in check, and immune suppression of any kind. Treating the thrush itself is straightforward, but preventing it from cycling back often means addressing the reason your mouth became vulnerable to it.