<prompt> Pyridoxine deficiencies is seen in -IsoniazidCRFCongestive hea failureAll  <response>: Ans. is a i.e., Isoniazid o Alcoholism and isoniazid are contributing factors for pyridoxine deficiency. o Clinical findings of pyridoxine deficiency are seborrhea, glossitis, convulsions, neuropathy, depression, confusion, microcytic anemia. Contributing factors to deficiency of other vitamins. o Thiamine -- Alcoholism o Niacin -- Alcoholism, Vit B6 deficiency, Riboflavin deficiency. o Folate -- Alcoholism, sulfasalazine, pyrimethamine, triamterene. o VitB12 -- Gastric atrophy pernicious anemia, terminal ileal disease, strict vegetarian o VitC -- Smoking, alcoholism. o Vit A -- Fat malabsorption, Protein energy malnutrition, Infection, measles, alcoholism. o VitD -- Aging, lack of sunlight exposure, fat malabsorption. o VitE -- Fat malabsorption, genetic abnormalities of vit E transpo metabolism. o VitK -- Fat malabsorption, liver disease, antibiotic use. 