Fungal infections may develop on your skin when fungi are given an environment in which to thrive -- typically a warm, damp environment. Athlete's foot is a common fungal foot infection. Also known as tinea pedis, this infection is similar to other common fungal infections such as jock itch and ringworm. Various fungi may cause athlete's foot. These infections typically are not serious, but MayoClinic.com notes that they may be stubborn and difficult to eliminate.
Skin Changes
The most common sign of athlete's foot is flaking, peeling or cracked skin, according to the University of Maryland Medical Center. The skin changes are typically apparent between the toes, but they can develop anywhere on the foot. The infection may also spread to other body parts, such as the hands, if you do not carefully wash your hands after touching your feet.
Itching
Athlete's foot and other fungal infections typically cause itching at the site of the infection. You may also experience burning or tingling sensations on the affected skin.
Redness
Skin affected by a fungal infection also appears red in color. This redness is most common between the toes, but it may occur anywhere the infection is present, including the soles of the feet.
Blisters
A fungal infection on the foot may also cause blisters. They are often itchy and may leak or ooze and then crust over if opened when you scratch them.
Foot Odor
Athlete's foot may cause your feet to develop a distinct odor. The smell may be unusual and not like the odor you notice when your feet are sweaty.
Toenail Changes
A fungal infection on the feet may spread to your toenails, which causes changes in their appearance. Toenails may become thicker and discolored, and they may peel, crack or crumble.
