Toes can become infected for many reasons--fungal infections, toenail infections, or even an infection from cutting a nail too short and opening the skin. Because your toes are inside socks and shoes, the best bet for curing infections is to soak the toe at the end of the day.
HAVE AN INFECTED TOE FROM INGROWN NAILS?? First soak your feet in antiseptic wash and Epsom salt and water... then drain the infection dry them off and pour hydrogen peroxide on infected area. then put neosporin on infected area and wrap for two to three hours, repeat once a day for three weeks, it will heal fully