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Osteomalacia: Causes, Symptoms, Risk Factors, Diagnosis And Treatment

Osteomalacia is a disease which is characterized by the softening of the bones and it affects 1 in 1000 people globally. Don't confuse osteomalacia with the osteoporosis disease. Osteoporosis is the weakening of the bones and osteomalacia is softening of the bones.

What Causes Osteomalacia

Essential nutrients like calcium, phosphate, magnesium, phosphorus and vitamin D are required by the body to build strong bones. If the body is lacking in these nutrients, you tend to develop osteomalacia. It can also occur if the body is unable to absorb these minerals properly.

The most common problems that cause osteomalacia are:

  • Vitamin D deficiency - Sunlight is the main source of vitamin D. People who live in areas where there isn't enough sunlight are at a higher risk of getting vitamin D deficiency. Vitamin D deficiency is the most common cause of osteomalacia [1] .
  • Kidney or liver problems - Both the kidney and liver are responsible for activating Vitamin D in the body. If there is any problem in the normal functioning of the kidney or liver, it can interfere with the body's ability to activate vitamin D [2] .
  • Celiac disease - Celiac disease is an autoimmune disorder, which means eating gluten can cause sensitivity in people with this disease. Gluten triggers an immune response in the small intestine, which gradually damages the small intestine's lining and prevents it from absorbing some nutrients. This can lead to vitamin D and calcium deficiency [3] .
  • Surgery - Certain surgeries are done to remove a part of your stomach and this can result in vitamin D and calcium deficiency. Because, intestines are the place where vitamin D, calcium and other nutrients are absorbed [4] .

Symptoms Of Osteomalacia

When osteomalacia is in its early stages, you might not experience any symptoms. As osteomalacia progresses, you might have the following symptoms:

  • Pain in the bone, especially in the hips.
  • Dull, aching pain in the lower back, hips, legs, ribs and pelvis.
  • Low levels of calcium can causes spasms in the hands and feet, numbness in the arms, legs and around your mouth, and irregular heart rhythms.

Risk Factors Of Osteomalacia [5]

  • Under-exposure to sunlight.
  • Full clothing that almost covers all the skin.
  • People from the Indian sub-continent are at a risk of getting osteomalacia. It is because their skin doesn't absorb vitamin D well and their diet is lacking in vitamin D.
  • Most people from the Indian sub-continent are lactose intolerant and this affects the absorption of calcium.

Complications Of Osteomalacia

People with osteomalacia are at a higher risk of breaking bones, particularly in the ribs, spine and legs.

Diagnosis Of Osteomalacia [6]

  • Blood and urine tests - These tests will help detect whether your body has low levels of vitamin D, calcium and phosphorus.
  • X-rays - An x-ray test will show small cracks in the bones.
  • Alkaline phosphatase isoenzymes test - This test will examine the levels of alkaline phosphatase, an enzyme produced by osteoblasts (the cells that form new bones). If alkaline phosphatase is at a high level, it means you have osteomalacia.
  • Bone biopsy - A needle is inserted through skin into the pelvic bone above the hip to collect a small sample of the bone.

Treatment Of Osteomalacia [7]

  • If the disease is caused by a lack of vitamin D, oral supplements of vitamin D are provided.
  • If calcium and phosphate levels are low in the body, calcium and phosphate supplements are given.
  • If osteomalacia is due to an underlying condition, the treatment procedure will start immediately.

Prevention Of Osteomalacia [8]

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