title: Phenazopyridine and aseptic meningitis.
mesh_terms: D000631:Aminopyridines / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008581:Meningitis / Q000139:chemically induced*; D008582:Meningitis, Aseptic / Q000139:chemically induced*; D008875:Middle Aged; D010621:Phenazopyridine / Q000009:adverse effects*
chemical_list: D000631:Aminopyridines; D010621:Phenazopyridine