title: Ethosuximide intoxication caused by interaction with isoniazid.
abstract: A patient is described showing psychotic behavior in relation to a rise and fall in ethosuximide serum concentration, reflecting interaction of this drug with isoniazid.
mesh_terms: D000328:Adult; D004347:Drug Interactions; D005013:Ethosuximide / Q000009:adverse effects*; D006801:Humans; D007538:Isoniazid / Q000009:adverse effects*; D008297:Male; D011605:Psychoses, Substance-Induced / Q000209:etiology*
chemical_list: D005013:Ethosuximide; D007538:Isoniazid