Isoniazid allergy.
D004342:Drug Hypersensitivity; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology*; D007154:Immune System Diseases; D007538:Isoniazid / Q000009:adverse effects*
D007538:Isoniazid
ALLERGY/etiology and pathogenesis; ISONIAZID/injurious effects