Hypocalcemia is a condition that causes foot spasms and other involuntary muscle contractions. The disease results from a loss of calcium in your system. Calcium absorption that requires vitamin D also may be compromised when you have a vitamin D deficiency. Hypocalcemia may be short-lived and respond to vitamin D supplementation or it can lead to a life-threatening disorder.
Symptoms
In addition to the foot cramps and muscle spasms, you may experience dry skin, dermatitis or eczema. Emotional problems, such as depression and anxiety as well as dementia are associated with hypocalcemia. You may have seizures or low blood pressure that could lead to congestive heart failure. Emotional stress and hyperventilating can exacerbate the symptoms and cause stronger and more frequent foot cramps, according to the Cleveland Clinic.
Causes
Vitamin D deficiency can lead to a severe calcium depletion that causes the cramping associated with hypocalcemia. Low levels of magnesium in your blood may lead to spasms and hypocalcemia. Breast and prostate cancer cause a calcium depletion that could lead to the hypocalcemia. Other conditions that can contribute to the condition include chemotherapy treatments, renal failure, acute pancreatitis, hypoparathyroidism and surgery.
Treatment
You should consult your doctor before taking vitamin D or other supplements to treat symptoms. Potassium, magnesium and calcium supplements may treat your symptoms but could mask an underlying medical condition. After checking with your doctor, you could adjust your dietary intake of the important vitamins and minerals your muscles and nerves need to function properly. Milk and dairy products are effective sources of calcium and often are fortified with vitamin D. Other foods that could reduce the severity and frequency of symptoms include bananas, yogurt and fresh vegetables.
Warning
If hypocalcemia symptoms do not respond to dietary changes or oral supplements, you may need to undergo intravenous therapy. High doses of calcium and vitamin D must be monitored while you are in the hospital to prevent side effects and manage symptoms. Administration of the intravenous fluids must be given very slowly to prevent heart failure, according to the Cleveland Clinic. Once your disease is under control, you may be given calcium and vitamin D supplements to prevent relapse.
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