of pyridoxine was given intramuscularly each day. The symptoms subsided, and he was again treated with isoniazid in the same dosage, in combination with 100 mg. of pyridoxine. There was no ...

Structural Formulas of Hydralazine and Isoniazid ... purpose of this report to document pyridoxine deficiency induced by hydralazine in pharmacologic dosage. Three well nourished convalescing ...