Foot Odor: Foot odor is a common problem in patients of all ages affecting children and adults alike. The odor is produced by bacteria and/or fungus that can grow in the shoes and get attached to the skin. Good hygiene is key to treating this condition. Feet should be washed daily with soap and water and dry clean socks should be worn. There are various other methods to treat foot odor which can be provided by your foot and ankle physician.