How Long Does Carisoprodol Stay in Your System?

How Long Does Carisoprodol Stay in Your System? (2025 Data)

Blood Tests

24 hours after last dose

Urine Tests

2-4 days for most users

Hair Follicle

Up to 90 days (rarely tested)

5 Factors Affecting Detection Time

  1. Metabolism: CYP2C19 gene variants can double elimination time
  2. Dosage: 350mg stays longer than 250mg
  3. Frequency of Use: Chronic users test positive longer

Patients taking proton pump inhibitors (like omeprazole) may metabolize carisoprodol 40% slower due to enzyme competition.” — Dr. Miller