glycerol phenylbutyrate will decrease the extent or effect of triazolam by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Glycerol phenylbutyrate is often a weak inducer of CYP3A4. Check for decreased efficacy of CYP3A4 substrates that have a narrow therapeutic index.  The approximated qualifications hazard of importan… Read More