title: Phenazopyridine-induced methaemoglobinaemia.
mesh_terms: D000328:Adult; D000631:Aminopyridines / Q000506:poisoning*; D005260:Female; D006801:Humans; D008708:Methemoglobinemia / Q000139:chemically induced*; D010100:Oxygen / Q000097:blood; D010621:Phenazopyridine / Q000506:poisoning*
chemical_list: D000631:Aminopyridines; D010621:Phenazopyridine; D010100:Oxygen