Athlete’s foot most commonly shows up as scaly, peeling, or cracked skin between the toes, especially between the fourth and fifth (smallest) toes. The affected skin may look red on lighter skin, or purple to gray on darker skin tones. But the infection doesn’t always stay between the toes. Depending on the type, it can spread across the entire sole of your foot or produce fluid-filled blisters.
The Most Common Type: Between the Toes
The toe web infection is the form most people picture when they think of athlete’s foot. It starts in the tight space between your two smallest toes, where moisture gets trapped. Early on, the skin looks slightly scaly or dry, and you might notice mild peeling that’s easy to dismiss. As it progresses, the skin between the toes cracks, flakes, and can turn white and soggy from constant dampness. This waterlogged look is called maceration, and it often comes with a noticeable smell.
The surrounding skin may swell and change color. On lighter skin, this appears red. On medium or darker skin tones, the discoloration tends to look purple or grayish rather than red, which can make it harder to recognize. Itching and burning are the hallmark sensations, but some people feel only mild discomfort at first. Left untreated, the cracks can deepen into painful fissures that sting when you walk.
Moccasin Type: Dry, Thick Skin on the Sole
This form looks nothing like the stereotypical peeling between the toes. Moccasin-type athlete’s foot covers the sole of your foot in a pattern that looks like you’re wearing a moccasin shoe. The skin on the bottom of your foot becomes thick, dry, and scaly, sometimes with a silvery or powdery appearance. It can extend from the heel up the sides of the foot while leaving the top of the foot completely normal.
Because it resembles dry skin or mild eczema, many people don’t realize it’s a fungal infection. They moisturize instead of treating the fungus, which does nothing. A key giveaway is the distribution: if the dryness and scaling stop sharply at the sides of your foot, almost like a line where a shoe would end, that pattern is characteristic of this type. In earlier or more acute stages, the scaling may only extend from the toes to the middle of the sole rather than covering the entire bottom of the foot.
Moccasin-type infections tend to be chronic. They’re often mild enough that people live with them for months or years, but during that time the fungus can spread to the toenails.
Blistering Type: Fluid-Filled Bumps
The least common but most visually alarming form produces small blisters filled with clear fluid. These typically appear on the sole, the arch, or between the toes. The blisters can cluster together and may merge into larger ones. When they break, they leave raw, tender skin underneath that’s vulnerable to bacterial infection. This type tends to flare up suddenly and can be quite painful, unlike the slow progression of the other forms.
How It Looks on Different Skin Tones
Most medical images of athlete’s foot show it on light skin, where redness is the dominant color change. If you have brown or Black skin, the inflamed areas are more likely to appear purple, violet, dark brown, or gray. The scaling and peeling look similar across all skin tones, but the color shift means you should focus on texture changes rather than redness alone. Cracking, flaking, and a shiny or unusually smooth patch of skin are reliable visual clues regardless of your complexion.
When It Spreads to the Toenails
Athlete’s foot and toenail fungus are caused by the same organisms, and untreated foot infections frequently migrate to the nails. An infected toenail becomes thick, brittle, and discolored, typically turning yellow to brown. The nail may develop a distorted or curled shape, and you might notice white or yellowish crumbly material building up underneath it. In advanced cases, the nail separates from the nail bed entirely. Toenail infections are much harder to treat than skin infections, which is one reason catching athlete’s foot early matters.
Athlete’s Foot vs. Eczema
Foot eczema and athlete’s foot can look remarkably similar, with both causing red, scaly, itchy skin. A few differences help distinguish them. Athlete’s foot almost always starts between the toes or on the soles and stays on the feet. Eczema can appear anywhere on the body and often shows up in multiple spots at once. Eczema-affected skin tends to look dry, rough, or leathery and may ooze clear fluid when scratched. Athlete’s foot is more likely to produce distinct peeling, cracking in the toe webs, and that characteristic moccasin-sole pattern. If an over-the-counter antifungal cream improves your symptoms within a week or two, that’s a strong signal it was fungal.
Signs of a Secondary Infection
The cracks in your skin from athlete’s foot create an entry point for bacteria. If the area becomes increasingly painful, swollen, warm to the touch, and develops spreading redness, that suggests a bacterial skin infection called cellulitis has set in. The skin may look pitted, almost like an orange peel, and blisters can form on top of the already damaged area. A rapidly expanding red border or the onset of fever and chills signals that the infection is serious and needs prompt medical attention.