How long Valium / Xanax stay in body

How long do Valium and Xanax stay in the body if taken in pill form?

One tablet of either Valium or Xanax can stay in your system for up to 3 days. If you take this medication on a daily basis, it can be in your system for up to 30 days after stopping treatment. There is no one answer to this question, because it depends on how long you have taken the medication and the daily dosage.