A 15-year-old vegetarian being treated for tuberculosis develops peripheral neuropathy. choose the one most appropriate vitamin or trace element replacement therapy to treat the described condition.

Treatment for tuberculosis usually includes the medication isoniazid (INH), and INH competitively inhibits pyridoxine utilization. In most children, this does not result in clinical manifestations, but in individuals with a poor dietary intake of pyridoxine (eg, teenagers, vegetarians, and exclusively breast-fed infants), numbness and tingling of the hands and feet may develop. Treatment is replacement of pyridoxine.