Cramps may be caused by various factors like certain medical conditions, intake of some drugs, loss of electrolytes in the body, dehydration and vigorous physical activity. While legs are commonly found to develop cramps, toe cramps are also not uncommon. What is a toe cramp? We all know that cramps that develop on one or more toes are termed as toe cramps. Such cramps are characterized by sudden pain and the toes are sometimes found to bend or cross over.