People at risk

• Men ;
• People who suffer from excessive sweating (hyperhidrosis);
• People with diabetes;
• People with atopic eczema;
• People with weakened immune systems who have a harder time fighting infections: diabetics, carriers of the human immunodeficiency virus (HIV), people with chronic or severe illnesses, such as cancer.

Risk factors

•  Wearing shoes too tight, or plastic or vinyl shoes, which create a humid environment;
• A foot hygiene inadequate;
• The fact of walk barefoot on the often wet floors of fitness centers, locker rooms, swimming pools or communal showers.