title: Phenazopyridine (Pyridium) poisoning: possible toxicity of methylene blue administration in renal failure.
mesh_terms: D058186:Acute Kidney Injury / Q000139:chemically induced / Q000503:physiopathology*; D000631:Aminopyridines / Q000506:poisoning*; D006461:Hemolysis; D006801:Humans; D008297:Male; D008708:Methemoglobinemia / Q000139:chemically induced / Q000188:drug therapy; D008751:Methylene Blue / Q000009:adverse effects*; D008875:Middle Aged; D010621:Phenazopyridine / Q000506:poisoning*
chemical_list: D000631:Aminopyridines; D010621:Phenazopyridine; D008751:Methylene Blue