Deficiency of Vitamin

The Deficiency of Vitamin / Vitamin Deficiency Ailments are discussed in this page.

Deficiency of Vitamin A

1. Atrophy of lacrymal glands of the eye and reduction in tear secretion
2. Corneal epithilium becomes red and dry (xerosis). It may also
become wrinkled and Keratinised (xeropthalmia). Appearance of
Bitot’s spot in the cornea might happen.
3. Cornea may get necrosed and get infected (keratomalacia).
4. May cause night blindness (nyctalopia).

Deficiency of Vitamin D

Defective calcification of bone, deficiency of vitamin-D, causes
rickets in growing children and osteomalacia in adults.

Vitamin E Deficiency

Rare in human, sterility in experimental animals.

Deficiency of Vitamin K

1. Lack of vitamin K leads to defect in blood coagulation.
2. In humans, vitamins K deficiency leads to haemorrhagic
manifestations.

Vitamin B1 Deficiency

Gross deficiency of vitamins B1, leads to a condition known as beri
beri. Beriberi affects nervous and cardiovascular systems.In children and
infants the onset is acute.

Deficiency of Vitamin B2

Loss of appetite and other gastro-intestinal symptoms, soreness and
burning of lips, mouth and tongue. Fissures appear at edges of the mouth.

Vitamin Niacin Deficiency

Its deficiency leads to pellagra. The principal symptoms of pellagra
include mental changes, (dementia) dermatitis and stomatitis. The tongue
becomes smooth, red and painful.

Deficiency of Vitamin B6: (Pyridoxine)

In human pyridoxine deficiency causes dermatitis around eyes, nose
and behind the ears. Fissures appear above the lips and angles of the mouth.

Vitamin B12 Deficiency

Its deficiency causes pernicious anaemia, typical sore
tongue and several neurological problems related to the spinal cord.

Vitamin C Deficiency

Its deficiency in the body leads to scurvy, a diseses charaterised
by bleeding gums, loosening and falling out of teeth and intra muscular
haemorrages. In the absence of this vitamin the collagen and connective
tissue proteins are not synthesised properly.