Noun
butalbital (uncountable)
English Wikipedia has an article on:butalbitalWikipedia
A barbiturate drug.
Never take acetaminophen, butalbital, and caffeine in larger amounts, or for longer than recommended by your doctor. Source: Internet
You should not take this medication if you are allergic to acetaminophen, butalbital, or caffeine, or if you have porphyria. Source: Internet