Pyridoxine :- Dietary deficiency of pyridoxine is rare and deficiency of pyridoxine usually occurs due to genetically inherited absence of an enzyme or secondary to some drugs such as prolonged use of Isoniazid for treatment of TB. Deficiency of pyridoxine leads to irritability, anemia (low hemoglobin), increased hearing, nausea, vomiting, seizures (fits) and wasting or loss of weight. Older children may develop neuritis. Pyridoxine deficiency can lead to persistent convulsions in an infant and such infants respond to intravenous pyridoxine dramatically.

Pyridoxine is present in good amounts in meat, fish, cereals and legumes.