Guides
Athlete's foot and fungal nails: what works over the counter — and what doesn't
Drugstore creams can cure athlete's foot on the skin. They can't cure a thick, discolored nail. How to pick an antifungal, use it right, and stop reinfecting yourself.
The same fungus causes two very different problems: itchy, peeling skin between the toes, and thick, discolored toenails. The skin infection is one you can usually cure at the drugstore. The nail infection is not. Knowing which problem you have matters more than any product on this page.
Athlete’s foot: the skin infection you can treat yourself
Athlete’s foot lives in the top layer of skin, where a cream can reach it. Across many clinical trials, over-the-counter antifungal creams cured most skin infections. They clearly beat fake creams. Terbinafine cured somewhat more cases than the azole creams (clotrimazole, miconazole), usually with a shorter course — but both families work.
Shop by the label, not the box. Turn the package over and find the active ingredient and its percentage. A store-brand terbinafine 1% is the same medicine as the name brand.
Two habits decide whether the cure lasts. First, do not stop early: skin looks normal before the fungus is fully gone, so keep using the cream for one to two weeks after it clears. Stopping early is the most common reason it comes back. Second, keep the area dry. Fungus needs moisture, and the space between your toes stays damp unless you dry it on purpose after every shower.
Fungal nails: why the cream aisle fails
A fungal nail is the same organism living under and inside the nail plate. Nail is dense, and creams cannot get through it in useful amounts. In study after study, over-the-counter nail products show low cure rates. That is not your technique — it is the nail.
What does work is prescription oral antifungal medication, which reaches the nail through the bloodstream. Oral treatment needs a confirmed diagnosis (several nail conditions look like fungus but are not), a real medication, and a clinician’s supervision. That is why this section has no product link: for the nail itself, the working option is an appointment, not a purchase.
What you can do at home: treat the surrounding skin so it stops re-seeding the nail, and break the reinfection cycle below.
What if pills are not an option? Some people cannot take the oral medicine. Liver conditions, other prescriptions, and pregnancy can all rule it out. Some people simply do not want to take it. There are still doctor-guided paths, and every one of them starts with an exam instead of a purchase.
Prescription topical medicine is one path. It is stronger than anything on the shelf. It still takes many months, and it works best when the nail is thinned down first. That thinning is done in the office.
Laser treatment is another path. Nail lasers are cleared by the FDA for a temporary increase in clear nail. Read that wording closely, because it matters. Temporary clearing is not the same as a cure, and the research so far is mixed. Ask what a full course involves and what the real odds are for your nail before you start.
A custom-compounded topical is a third path. A specialty compounding pharmacy mixes it to order. Compounded medicines are not FDA-approved products, so ask your doctor and your pharmacist what is in it and what to expect from it. Kris at Your Personal Pharmacy does this work locally. We have no financial relationship with that pharmacy — no ownership, no fees, and no referral arrangement. He is named here because he is a careful pharmacist who looks after patients.
These paths are often combined, and the right mix depends on your nail, your health, and your other medicines. That is a conversation, not a product.
Stop reinfecting yourself
Fungus survives in socks and shoes. Wash socks hot. Rotate shoes so each pair dries a full day between wears. Dust the insides with antifungal powder. Do not share nail clippers, and wipe yours with alcohol. Wear sandals on shared shower and pool floors.
When to see a doctor
Broken, weeping skin between the toes lets bacteria in. If you have diabetes, poor circulation, or numb feet, that can turn serious quickly — get broken skin looked at promptly instead of waiting. Also see a doctor for spreading redness, warmth, or swelling on one side, and for any athlete’s foot that has not improved after four weeks of a proper antifungal. Several rashes mimic fungus, and treating the wrong one wastes months. This guide helps you choose a product and build good habits. It does not replace an exam.
Products that meet these criteria
As a board-certified podiatrist, I recommend products I trust and use in my practice. Some links on this page are affiliate links — if you purchase through them, I may earn a small commission at no additional cost to you. This does not influence my recommendations, which are based on my clinical experience. You are free to purchase these products from any retailer. As an Amazon Associate I earn from qualifying purchases.
Before you buy: some of these products may be covered by your insurance, or eligible for purchase with an FSA or HSA — sometimes at little or no cost to you. It is worth a call to your plan first. Nothing here needs to be bought through my links.
Meets the criteria
Terbinafine 1% cream (any brand or generic)
Antifungal cream for athlete's foot. Any tube labeled terbinafine 1% is the same medicine, brand or generic.
Pros
- Cured a few more cases than azole creams across many trials
- Shorter treatment courses
- The generic works the same as the famous box
Cons
- Treats skin only — it cannot fix a thick nail
- Stopping early is how the rash comes back
Learn more
Many trials have compared these creams. Put together, they show terbinafine cured athlete's foot a bit more often than the azole creams (like clotrimazole or miconazole). It usually needed a shorter course too. Apply a thin layer once or twice a day, per the label. Cover the rash plus a small border of normal-looking skin. Get it between the toes. Do the full course on the label. Then keep going one to two weeks past the point the skin looks clear. The fungus outlives the visible rash. If four weeks of correct use has not cleared it, stop guessing and get the foot examined. And to be clear about nails: a thick, yellow, crumbly nail is a different problem. No cream fixes it. That one needs a doctor, and usually prescription medicine.
Meets the criteria
Miconazole antifungal powder (any brand or generic)
Antifungal powder whose job here is keeping the spaces between your toes dry — and treating the inside of your shoes so you do not reinfect yourself.
Pros
- Keeps toe webs dry
- Treats shoes, where the fungus waits
- Cheap, and a container lasts
Cons
- Too weak on its own against an active rash — pair it with the cream
Learn more
Fungus needs moisture. The wettest spots in your day are between your toes and inside your shoes. After showering, towel-dry between every toe. Then dust lightly with powder. Puff some into your shoes too. Rotate pairs, so each shoe gets a full day to dry. This routine keeps athlete's foot from coming right back.