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“Administration of amino acids L-arginine or L-Na-glutamate or of vitamins pyridoxine or folic acid along with isoniazid prevents the inhibitory effect of isoniazid on nucleic acid biosynthesis.”
“Vitamins such as vitamin K, folic acid and pyridoxine are used to antagonise the effects of warfarin, methotrexate and INH respectively in the setting of toxicity or overdose.”
Indian journal of critical care medicine : peer-reviewed, official publication of Indian Society of Critical Care Medicine • 2019 | View Paper
“Summary 1) Acetylation of sulfanilamide and of isoniazid in pigeon liver extracts was markedly inhibited (non-competitively) by 4-amino analogues of folic acid.”