Vitamin D Deficiency: Symptom and Causes


 There is no clear pattern of symptoms. Many people have no symptoms despite low levels. The common symptoms include:
  • Fatigue
  • Chronic pain
  • Weight gain
  • General muscle pain, weakness and cramps
  • Joint pain
  • Sleep disturbances
  • Poor concentration
  • Headache
  • Bladder problems
  • Diarrhoea or Constipation
  • High blood pressure
Severe vitamin D insufficiency may cause rickets (defective bone growth) in children and osteomalacia (soft bones) and osteoporosis (porous bones) in adults.
Vitamin D deficiency symptoms


  • Latitude, cultural dress habits, season, sun avoidance, and sunscreen protection all limit vitamin D production.
  • Gastrointestinal, hepatic, and renal disease may be related to low vitamin D levels
  • Hypovitaminosis D results from lack of UVB exposure
  • Dark skin as the pigment melanin reduces the skin ability to make vitamin D in response to sunlight exposure
  • Certain medical problems, including Crohns disease, cystic fibrosis, and celiac disease, can affect intestine ability to absorb vitamin D from the food
  • Obesity

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