How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Lisa, MSN, FNP-BC, CCRN Your Own Ques...
Lisa, MSN, FNP-BC, CCRN, Nurse Practitioner
Category: Health
Satisfied Customers: 890
Experience:  Board Certified Family Nurse Practitioner
Type Your Health Question Here...
Lisa, MSN, FNP-BC, CCRN is online now
A new question is answered every 9 seconds

I am a male in my early 20's. I am roughly 5' 7" tall, 150

Resolved Question:

I am a male in my early 20's. I am roughly 5' 7" tall, 150 pounds. I took some adderall before a drug test. I took 20 mg on Thursday, another 30 mg on Saturday and 10 mg on Sunday. I had a drug test on the following Saturday morning (5 1/2 days later). Should I be worried about failing the drug test, and how certain are you either way?
Submitted: 7 years ago.
Category: Health
Expert:  Lisa, MSN, FNP-BC, CCRN replied 7 years ago.


Thank you for writing in today. Adderall is an amphetamine. It has a shorter half life. Therefore, the medication should only remain detectable in the urine for roughly 3-4 days. If the test was a urine drug screen, you should pass. Nothing is 100% certain, since bodies are not all the same, meaning altered metabolism, etc; however, most people would pass the test after 5 1/2 days.

I hope this helps to answer your question. If you have additional questions or need clarification, please let me know.


Lisa, MSN, FNP-BC, CCRN and 2 other Health Specialists are ready to help you