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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.
Deficiencies. If you have low levels of certain nutrients in your body, this can cause hand and foot cramps. If you have reduced levels of calcium and magnesium, that can bring on cramping. Lack of vitamin D can cause muscle spasms and cramps in your hands and feet.ther Causes. Hand and foot cramps can be a side effect of certain medications. Alcoholism is also linked to recurring cramps. If you are pregnant, you may experience occasional hand and foot cramps. Some of the symptoms of ingesting alkaline salts are muscle cramps in the hands or feet.