Peeling skin between the toes is most commonly caused by a fungal infection (athlete’s foot), but it can also result from bacterial infections, eczema, contact allergies, or simply trapped moisture. The treatment depends entirely on what’s causing it, so identifying the right culprit is the first step toward clearing it up.
Figure Out What’s Causing It
Athlete’s foot is the leading cause of interdigital peeling, and it typically shows up as white, macerated (soggy-looking) skin between the fourth and fifth toes, often with itching and a mild odor. But several other conditions look similar enough to fool people into treating the wrong thing.
Erythrasma is a bacterial infection that produces well-defined pink or brown patches with fine scaling and shallow cracks between the toes. It can cause mild itching, and it won’t respond to antifungal creams at all. A doctor can identify it instantly with a UV light, which makes erythrasma glow coral-red.
Contact dermatitis from shoe materials is another common mimic. Chemicals used in leather tanning (especially chromium salts), rubber accelerators in shoe insoles, adhesive resins, and even dyes can trigger an allergic reaction that causes peeling, redness, and itching between the toes. If your symptoms started after switching to new shoes or a new brand, this is worth considering.
Other possibilities include yeast infections (candida), psoriasis, foot eczema, soft corns from toes pressing together, and a condition called keratolysis exfoliativa, which causes painless peeling without redness or itching. If over-the-counter antifungal treatment doesn’t improve things within two weeks, the cause is likely something other than athlete’s foot.
Treating Athlete’s Foot
If the peeling is itchy, slightly red, and concentrated in the web spaces of your toes, an over-the-counter antifungal cream is the standard first step. The most effective options available without a prescription are terbinafine cream (applied once daily for one to two weeks) and clotrimazole cream (applied twice daily for up to four weeks). Butenafine and ketoconazole creams also work well.
Terbinafine has the advantage of a shorter treatment course. In a multicenter clinical trial reviewed by the FDA, one week of terbinafine cream produced significantly higher rates of clearing the fungus compared to one week of clotrimazole, though the difference didn’t become statistically apparent until about nine weeks after treatment started. This means the fungus keeps dying even after you stop applying it. For practical purposes, terbinafine gets the job done faster.
A few tips to get the most from your treatment: wash and thoroughly dry your feet before applying the cream, extend the cream slightly beyond the visible edges of the affected area, and keep treating for the full recommended duration even if the skin looks better after a few days. Stopping early is the most common reason athlete’s foot comes back.
Treating Non-Fungal Causes
If the peeling is caused by erythrasma, you’ll need a topical antibiotic rather than an antifungal. Options include fusidic acid cream, clindamycin solution, or benzoyl peroxide. More widespread infections respond well to oral antibiotics, and symptoms typically clear quickly once the right medication is started.
For contact dermatitis triggered by shoe chemicals, the fix is avoiding the allergen. This might mean switching to shoes made with vegetable-tanned leather instead of chrome-tanned, avoiding rubber insoles, or choosing footwear from brands that certify their products are free of common allergens like dimethyl fumarate (a mold inhibitor sometimes found in shoe packaging). A dermatologist can run patch testing to identify exactly which chemical is causing your reaction.
Eczema and psoriasis between the toes are managed differently from infections. These are inflammatory conditions, and your doctor may recommend a short course of a mild topical steroid. Importantly, you should not apply a steroid cream to a fungal infection, as it can make things worse. This is one reason getting the right diagnosis matters.
Does Tea Tree Oil Work?
Tea tree oil has real antifungal properties, but the evidence is mixed. In a randomized trial of 158 patients with athlete’s foot, a 25% tea tree oil solution produced a noticeable clinical improvement in 72% of patients compared to 39% with placebo. The 50% concentration cleared the fungus in 64% of cases versus 31% for placebo. These numbers are decent but fall short of what standard antifungal creams achieve. About 4% of patients in the study also developed moderate to severe skin irritation from the tea tree oil.
If you want to try it, use a product with at least 25% tea tree oil concentration. Anything lower hasn’t shown meaningful antifungal activity. But if cost isn’t a barrier, over-the-counter terbinafine cream is more reliable and less likely to irritate your skin.
Keeping Your Feet Dry
Moisture trapped between the toes creates the warm, damp conditions that fungi and bacteria thrive in. Keeping that space dry is just as important as any cream you apply.
Your sock choice matters more than most people realize. Pure cotton socks are a poor option because cotton absorbs sweat and holds it against your skin, creating exactly the environment that causes problems. Merino wool socks pull moisture away from the foot and release built-up heat. Synthetic blends dry faster than wool, and polypropylene fiber can’t absorb moisture at all, letting sweat pass through and evaporate. Either merino wool or synthetic blends are significantly better than cotton for people prone to peeling or fungal infections.
Change your socks at least once during the day if your feet tend to sweat. After showering, dry between each toe individually before putting on socks or shoes. Some people find that a light dusting of antifungal powder between the toes helps keep the area dry throughout the day.
Dealing With Contaminated Shoes
Fungal spores survive in shoes for months, which is why athlete’s foot keeps coming back even after successful treatment. You have a few options for decontaminating footwear. Antifungal sprays containing terbinafine are effective at killing common dermatophyte spores, and research has shown that a 1% chlorine solution works as a high-level disinfectant against multiple fungal strains. UV-C shoe sanitizer devices have produced mixed results in studies. Some research shows they reduce fungal colonization inside shoes, while other studies found UV-C had virtually no effect on slowing fungal growth compared to untreated controls.
Rotating between two or more pairs of shoes gives each pair at least 24 hours to dry out completely before you wear it again. This alone significantly reduces fungal survival inside the shoe.
Special Concerns for People With Diabetes
If you have diabetes, peeling skin between your toes deserves more attention than it would for someone without the condition. Diabetes reduces blood flow to the feet and can damage the nerves that help you feel pain, which means a minor fungal infection or a small crack in the skin can progress to a serious wound without you noticing. The CDC lists dry, cracked foot skin and fungal infections between the toes as symptoms that warrant a prompt visit to your doctor.
Check your feet daily for cuts, redness, swelling, sores, or changes in skin color or temperature. One important detail: do not apply moisturizer or lotion between the toes, as the trapped moisture can promote infection. Moisturize the tops and bottoms of your feet, but keep the spaces between the toes dry.