Vitamin B6 (pyridoxine)
Vitamin B6 (pyridoxine) is essential for the metabolism of amino acids
and fatty acids, for normal nerve function, and for the formation of red blood cells.
It also helps keep the skin healthy.
Vitamin B6 Deficiency
Vitamin B6 deficiency may result from inadequate intake or from use
of drugs that deplete vitamin B6 reserves in the body. These drugs include
the antibiotic isoniazid Some Trade Names
CUPRIMINE
(used to treat such disorders as rheumatoid arthritis and Wilson's disease).
Vitamin B6 deficiency can cause seizures in infants. In adults, it
can cause anemia and inflammation of the skin (dermatitis) with redness and greasy
scaling. The hands and feet may feel numb and prickling�a pins-and-needles sensation.
The tongue may become sore and red, and cracks may form in the corners of the mouth.
The person may become confused, irritable, and depressed.
The diagnosis is based on the person's circumstances, symptoms, and response
to vitamin B6 supplements. Blood tests to confirm the diagnosis are not
readily available. People who have the deficiency or who are taking a drug that
depletes vitamin B6 reserves should take vitamin B6 supplements.
Vitamin B6 Excess
Vitamin B6 in very high doses may be prescribed for such disorders
as carpal tunnel syndrome, premenstrual syndrome, and nerve damage (neuropathy),
although there is little evidence of benefit. Taking such high doses may cause pain
and numbness in the feet and
Articles about vitamins
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