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What are the symptoms of calcium deficiency?

Calcium deficiency, also known as hypocalcemia, can significantly impact overall health.

Some calcium deficiency symptoms include muscle discomfort, tingling, heart problems, fainting, anxiety, tooth erosion, and a higher risk of osteoporosis. In this brief explanation, we'll explore these symptoms and their effects on the body.

Here are some of the symptoms related to calcium deficiency and their effects on the body:

  • Muscle Discomfort: Lack of calcium can cause pain, cramps, and muscle spasms, as calcium is essential for proper muscle contraction and relaxation.

  • Tingling and Numbness: Calcium deficiency can cause tingling sensations or numbness in the hands, arms, feet, legs, and mouth, due to altered nerve impulses.

  • Heart Problems: Calcium plays an important role in heart function. Calcium deficiency can cause irregular heartbeat and abnormal heart rhythm.

  • Fainting: Lack of calcium can affect the nervous and cardiovascular systems, which can lead to fainting episodes.

  • Anxiety and Depression: Low calcium levels can also impact mental health, contributing to symptoms such as anxiety and depression.

  • Tooth Erosion and Bone Fractures: Calcium is essential to maintain strong bones and teeth. Calcium deficiency can weaken bones and lead to tooth erosion, which increases the risk of bone fractures.

  • Low Bone Mass and Risk of Osteoporosis: Prolonged calcium deficiency can lead to low bone mineral density, which increases the risk of developing osteoporosis, a condition characterized by brittle bones that are prone to fractures.

It is essential to recognize these symptoms and seek appropriate medical attention if calcium deficiency is suspected. Early diagnosis and correction of calcium levels can help prevent complications and maintain good bone and overall health.


  1. U.S. Department of Health and Human Services. (n.d.). Office of dietary supplements - calcium. NIH Office of Dietary Supplements.

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