The risk of getting a
fungal nail infection depends on your
susceptibility to fungal infection.
Risk factors you cannot change
Risk factors you
cannot change include:
- Susceptibility to fungal infection (which is not yet well
understood) or a history of fungal infections.
- Impaired immune system (caused by certain diseases,
diabetes, or cancer, or certain immunosuppressive
drugs, such as
- Poor blood circulation (caused by disease or increasing
- Age. People older than 60 are more likely to have a fungal nail
- Being male.
Risk factors you can change
Risk factors you can
- Wearing tight shoes.
- Wearing shoes that make your feet warm and sweaty.
- Wearing the same pair of moist shoes for 2 days in a row (and
not letting your shoes dry out).
- Sharing personal items such as shoes, socks, nail clippers, or
nail files with other people.
- Living in a hot, humid climate.
- Using public or shared showers or locker rooms without shower
sandals or shower shoes.
- Injuring the nail (as in the case of frequent nail
athlete's foot. For more information see the topic
- Having a job in which your hands or feet are often wet (such as
dishwashers or lifeguards).
- Wearing artificial nails. An infection can develop in the gap
between the artificial nail and the real nail, especially if a loose nail is
glued back on without first being cleaned with rubbing alcohol. Nail manicures
and certain nail products can damage the nail or cuticle, making the nail more
susceptible to infection.
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