How Long Does Ritalin Stay in Your System?

Ritalin may or may not show up on a drug test. If a drug screening is looking for amphetamines, Ritalin is likely to show up. In a urine test, Ritalin would likely show up for anywhere from one to two days after someone used it. Ritalin would likely only show up in a blood test for up to 12 hours after it was used. In a hair follicle test, the detection window is the longest. The use of Ritalin could show up in a hair test for up to 90 days.