Butabarbital will reduce the level or influence of diazepam by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep track of. isoniazid will improve the degree or result of diazepam by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Observe. benzhydrocodone/acetaminophen and diazepam each improve sedation. Avoid or Use Alternate Drug. Limit use to http://galenika bensedin 10mg diazepam