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Hypocalcaemia

Hypocalcaemia, also known as calcium deficiency, is a condition in which there is an abnormally low level of calcium in the blood. Calcium is a mineral that is essential for many bodily functions, including muscle and nerve function, bone health, and blood clotting.  This nutritional disorder is common worldwide in children. Over 13.3 percent of kids in the rural areas of South Africa have abnormally low calcium levels.

Symptoms

If you treat Hypocalcaemia, you may relieve most of its associated symptoms. But if the underlying cause of calcium deficiency is a medical condition, you may develop additional symptoms.

  • Muscle Cramps and Spasms: Hypocalcaemia can cause muscle cramps and twitching, particularly in the hands, feet, and facial muscles.
  • Tingling and numbness: Hypocalcaemia can affect the nerves, leading to tingling and numbness in the hands and feet.
  • Weakness and Fatigue: Low calcium levels can affect muscle function, leading to weakness and fatigue.
  • Confusion and Memory Problems: In severe cases, Hypocalcaemia can affect brain function, leading to confusion, memory problems, and even seizures.

Causes

Calcium deficiency is common in many individuals and in regions where people don’t consume a balanced diet.

The following are the primary causes of Hypocalcaemia.

  • Vitamin D Deficiency: Vitamin D is essential for calcium absorption from the diet, and a deficiency can lead to Hypocalcaemia.
  • Hyperparathyroidism: This is a condition in which the parathyroid gland does not produce enough parathyroid hormone, which regulates calcium levels in the blood.
  • Kidney disease: The kidneys are crucial in maintaining calcium balance, and kidney disease can lead to Hypocalcaemia.
  • Malabsorption: Some gastrointestinal conditions, such as celiac disease, can impair calcium absorption, leading to Hypocalcaemia.
  • Medications: If you take diuretics and some anticonvulsants, they can cause Hypocalcaemia as a side effect.

Risk Factors

Many factors can make you susceptible to developing Hypocalcaemia. Your risk of experiencing the Hypocalcaemia symptoms increases if you have/are:

  • Vitamin D deficiency: A lack of vitamin D in the diet or reduced sun exposure can impair the body’s ability to absorb calcium from food, leading to Hypocalcaemia.
  • Chronic Kidney Disease: The kidneys play a vital role in regulating calcium levels in the body, and kidney disease can impair this function, leading to Hypocalcaemia.
  • Hypoparathyroidism: This condition in which the parathyroid gland does not produce enough parathyroid hormone, which regulates calcium levels in the blood, leading to Hypocalcaemia.
  • Malabsorption: Certain gastrointestinal conditions, such as celiac disease or inflammatory bowel disease, can impair calcium absorption from food, leading to Hypocalcaemia.
  • Surgery: Surgery involving the parathyroid or thyroid gland can damage the parathyroid gland, leading to Hypocalcaemia.
  • Eating disorders: Eating disorders such as anorexia nervosa or bulimia can lead to malnutrition and vitamin D deficiency, increasing the risk of Hypocalcaemia.
  • Breastfeeding: Pregnant and breastfeeding women require higher amounts of calcium, and a deficiency can lead to Hypocalcaemia.

Diagnosis & Complications

Like any nutritional disorder, your doctor may need your blood test to measure calcium levels. In addition, other tests may be performed to identify the underlying cause of the condition, such as vitamin D levels, parathyroid hormone levels, kidney function tests, and tests for malabsorption.

Lack of calcium or Hypocalcaemia can be severe and can cause medical emergencies like:

  • Osteoporosis: chronic Hypocalcaemia can lead to weakened bones and an increased risk of fractures.
  • Dental Problems: You can develop dental problems such as weakened enamel and tooth decay.
  • Seizures: Hypocalcaemia can affect brain function in severe cases, leading to seizures.
  • Cardiac Arrhythmias: irregular heartbeats or other cardiac arrhythmias are major complications associated with Hypocalcaemia.

Treatment & Prevention

In general, treatment involves restoring normal calcium levels in the blood with the help of

Oral calcium supplements. Calcium can be taken as a standalone supplement or in combination with vitamin D. In cases where Hypocalcaemia is caused by an underlying condition, such as kidney disease or Hypoparathyroidism, treatment of the underlying condition is necessary.

Maintaining healthy calcium levels in the body is important to prevent deficiency. Foods such as dairy products, leafy green vegetables, and calcium-fortified foods are excellent sources of calcium. Getting enough vitamin D from sunlight, food, or supplements can also help prevent Hypocalcaemia.

 
 
 

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