Can a yellow xanex bar stay in your system more then 4 days?

Yes, a yellow Xanax bar (which contains alprazolam) can potentially stay in your system for more than four days, depending on various factors such as your metabolism, dosage, frequency of use, and overall health. Generally, alprazolam has a half-life of about 11 hours, but it can be detected in urine for up to a week or longer after use, especially with chronic use. Individual variations play a significant role in how long it remains detectable.