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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.
The causes of toe cramps can vary from wearing tight shoes to a vitamin deficiency in the body. Quite often, you might have experienced, that a minute before you were lying in bed, nicely watching TV, the next moment, you are writhing in agony due to a toe cramp, which is a painful spasm or contraction of a foot muscle.