You don’t. All you can do is wait for it to be out of your system. Why do you need it out fast? If this is about a drug test, and the Fioricet was prescribed for you, take the prescription bottle with you for the test. They take prescribed drugs into account. The butalbital in Fioricet has a half-life of 35 hours, so it would be detectable for a several days.
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You don’t. All you can do is wait for it to be out of your system. Why do you need it out fast? If this is about a drug test, and the Fioricet was prescribed for you, take the prescription bottle with you for the test. They take prescribed drugs into account. The butalbital in Fioricet has a half-life of 35 hours, so it would be detectable for a several days.
How fast? Give us more information.