How long after stopping Concerta will you test positive for it in blood and urine tests?

Concerta, which contains the active ingredient methylphenidate, typically remains detectable in urine for about 1-3 days after the last dose, though this can vary based on individual metabolism, dosage, and frequency of use. In blood tests, methylphenidate is usually detectable for a shorter period, generally up to 24 hours. However, factors like hydration, body mass, and overall health can influence detection times. Always consult a healthcare professional for personalized information.