Naproxen interferes positively with 5-hydroxyindoleacetate assay.
D005189:False Positive Reactions; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000652:urine*; D009288:Naproxen / Q000627:therapeutic use
D006897:Hydroxyindoleacetic Acid; D009288:Naproxen