I have a urine test in 2 days. I have a job interview even tho I have a prescription I would like to pass the test anyway.
Butalbital (the main active ingredient you need to be concerned about) is a short to intermediate-acting barbiturate. As a rough guide it can probably be detected in the urine for around 7 to 10 days.
Other factors to take into account include age, health, weight metabolism etc.
- Fiorinal Information for Consumers
- Fiorinal Information for Healthcare Professionals (includes dosage details)
- Side Effects of Fiorinal (detailed)
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