title: Isoniazid-induced pellagra in a patient on vitamin B supplement.
abstract: A patient who was treated with isoniazid and who developed pellagra is presented. Vitamin B supplements did not help, but the patient's condition improved when isoniazid treatment was stopped.
mesh_terms: D006801:Humans; D007538:Isoniazid / Q000009:adverse effects*; D008297:Male; D008875:Middle Aged; D010383:Pellagra / Q000139:chemically induced* / Q000188:drug therapy; D014803:Vitamin B Complex / Q000627:therapeutic use*
chemical_list: D014803:Vitamin B Complex; D007538:Isoniazid