Excessive foot sweating (usually with excessive hand sweating) is called Pedal Hyperhidrosis. Sometimes, this type of hyperhidrosis is part of a general sweating problem involving the whole body.
Profuse foot sweating can result in infections and athletes foot, odor problems and slipping in your shoes. It can be embarrassing, causing you to avoid social situations or doing common things like getting a pedicure.
Your doctor can help you determine the exact cause or triggers for Pedal Hyperhidrosis, as well as the most appropriate treatment.