You can’t fully get rid of athlete’s foot overnight. The fungus that causes it lives in the outer layers of your skin, and even the fastest-acting treatments need at least a week to clear an infection. But you can significantly reduce the itching and burning within the first night and set yourself up for the quickest possible recovery starting right now.
Why One Night Isn’t Enough
Athlete’s foot is caused by a fungus that burrows into the top layer of skin, particularly between your toes. Antifungal creams work by killing the fungus and preventing it from reproducing, but your skin needs time to shed those infected outer cells and replace them with healthy ones. That process simply can’t happen in a few hours.
Standard topical treatment runs two to four weeks for most people. The fastest clinically proven option, terbinafine 1% cream (sold as Lamisil AT), can clear mild cases between the toes in as little as one week of twice-daily application. A BMJ study comparing terbinafine to clotrimazole (Lotrimin) found that just one week of terbinafine achieved a 93.5% fungal cure rate, while four full weeks of clotrimazole only reached 73.1%. So the single best thing you can do tonight is start the right treatment.
What You Can Do Tonight for Relief
While you won’t eliminate the infection, you can calm the worst symptoms before bed:
- Soak your feet in cool water for 10 to 15 minutes. The Mayo Clinic recommends this as a simple way to soothe itching. Pat your feet completely dry afterward, especially between the toes.
- Apply terbinafine 1% cream if you have it or can pick it up from a pharmacy. It’s available over the counter. Apply a thin layer to the affected area and about an inch beyond its edges.
- Wear clean, breathable socks to bed or sleep with bare feet on a clean towel. Moisture feeds the fungus, so keeping your feet dry overnight matters.
You’ll likely notice the itching and burning start to ease within the first day or two of treatment. That’s symptom relief, not a cure. The fungus is still alive underneath, which is why stopping treatment early is the most common reason athlete’s foot comes back.
The Fastest Path to a Full Cure
If your infection is the common type that shows up as peeling, cracking, and itching between your toes (interdigital tinea pedis), terbinafine cream applied twice daily for one week is the fastest proven treatment. By week four in the BMJ study, nearly 90% of patients using this one-week course were effectively cured.
Thicker, scaly infections on the soles or sides of the feet (sometimes called moccasin-type athlete’s foot) are more stubborn. These cases often need four weeks of topical treatment or even oral antifungal medication prescribed by a doctor. If your skin is thickened and crusty rather than just red and itchy, expect a longer timeline.
Whichever treatment you use, keep applying it for the full recommended duration even after symptoms disappear. Most relapses happen because people stop treatment too early, either because they see improvement and assume they’re done, or because they get frustrated before the medication has had enough time to work.
Preventing Reinfection While You Heal
Your shoes are likely harboring fungal spores right now, and they can reinfect your feet even as you’re treating them. Rotate between at least two pairs of shoes so each pair gets 24 hours to dry out completely between wearings. If you have a shoe sanitizer spray containing an antifungal agent, use it inside each pair. UV shoe sanitizers are another option that has been studied for killing fungal spores in footwear.
Change your socks at least once a day, more if your feet sweat heavily. Choose moisture-wicking materials over cotton. Wash all socks and towels that have touched your feet in hot water. The fungus thrives in warm, damp environments, so anything that keeps your feet drier speeds up recovery and lowers the odds of a comeback.
In shared spaces like gym showers, locker rooms, or pool decks, wear sandals or shower shoes. These are the most common places people pick up the infection in the first place, and walking through them barefoot while you’re healing just introduces more fungal spores to already-vulnerable skin.
Signs Your Case Needs More Than OTC Treatment
Most athlete’s foot responds well to over-the-counter creams, but some cases escalate. If you notice spreading redness, warmth, swelling, or pus around the cracked skin between your toes, that’s a sign bacteria have entered through the damaged skin and caused a secondary infection. This needs medical treatment beyond antifungal cream.
Similarly, if you’ve used an OTC antifungal consistently for two to four weeks with no improvement, the infection may need a stronger prescription medication or the diagnosis might be something else entirely. Conditions like eczema and psoriasis can mimic athlete’s foot, and no amount of antifungal cream will fix those.