Results 1 - 1 of 1 for acetanilide
  1. 5-HIAA urine test 
    ... can increase 5-HIAA measurements include acetaminophen (Tylenol), acetanilide, phenacetin, glyceryl guaiacolate (found in many cough syrups), ...
    https://medlineplus.gov/ency/article/003612.htm - Medical Encyclopedia