Deficiency Of Vitamin D

Deficiency Of Vitamin D

Deficiency manifestations of vitamin D.
Answer.

Deficiency Of Vitamin D

There are 3 types of vitamin D deficiency:

• Rickets
• Osteomalacia
• Renal osteodystrophy

Deficiency of Vitamin D: Causes, Symptoms, and Treatment

Rickets

• Vitamin D deficiency in children is known as rickets
• In the absence of vitamin D the osteoblast proliferation is not accompanied by vascularization and mineralization at the normal rate
• The bones become soft
• Bending of long bones gives rise to deformities such as bow legs and knock knees
• The ankles, knees, wrists and elbows are swollen
• The fontanelles do not close properly giving rise to hot cross bun appearance of the head
• The ribs give a beaded appearance, known as ricket rosary
• The chest gives a pigeon breast appearance
• Teeth erupt late and are deformed

Vitamin D Deficiency Symptoms and How to Recognize It

Osteomalacia

• Vitamin D deficiency in adults is known as osteomalacia
• Osteomalacia is seen in pregnancy and lactation, when there is additional requirement of vitamin D and drainage of it in the milk
• Osteomalacia is also seen in women who observe purdah and in areas where sunshine is scanty
• In osteomalacia the bones become soft and are easily fractured
• It particularly affects the pelvic bones

Causes of Vitamin D Deficiency and Risk Factors

Renal Osteodystrophy

• It is also known as renal rickets
• It is seen in patients with chronic renal failure
• Renal rickets is mainly due to decreased synthesis of calcitriol by the kidney
• It can be treated by the administration of calcitriol

Vitamin D Deficiency and Its Effects on Bone Health