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Medical conditions such as diabetes can cause foot cramps due to the lack of oxygen supplied to the feet. It is very important that you eat properly and get enough vitamins and minerals. A lack of potassium in your system can cause cramps in your feet and legs. Vitamin D is also important to healthy feet and bones.
Foot cramps are caused by painful, intense, involuntary spasms of the muscles. They are usually short-lived but can be really unpleasant and recovery can take a few days. Foot cramps most commonly occur in the arch of the foot but people also complain of toe cramps and calf muscle cramps. They are often caused by fatigue, reduced levels of certain chemicals, hormonal factors and illness. Cramping can occur any time day or night and are often associated with exercise.