Foot odor is common when you wear shoes that don't "breathe."
Usually, if you take off your shoes, wash your feet, and put on clean socks,
the odor goes away. Occasionally the problem continues despite your efforts to
get rid of the odor. Persistent odor may mean a:
Bacterial infection has developed.
Prescription medicine may be needed to clear up the
Fungal infection has developed.
Athlete's foot is a common infection that usually
causes a slight odor.
Toe, Foot, and Ankle Problems, Noninjury