how long does valium stay urine?
<answer> Valium can stay in your system and be detected in urine for up to 5-7 days after therapeutic use. <context> Valium can stay in your system and be detected in urine for up to 5-7 days after therapeutic use. Chronic use (over one year) of Valium, however, can be detected much longer. The detection window for Valium in urine screens is up to 4-6 weeks. More here on the detection window and drug testing for Valium.