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CamilleRN, Nurse (RN)
Category: Health
Satisfied Customers: 4183
Experience:  Experience: 20 yrs experience in ER, ICU, Neuro, OR, Chemo,Cardiology, Dermatology and MORE.
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Can liver disease cause a false positive in failed thc test

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Can liver disease cause a false positive in failed thc test? What can I do? I am to be fired for failing drug test.

Hi, and thank you for your question. Yes, it can. Here is a list of medications and diseases that have been proven to cause a FALSE positive in a THC drug test:


Dronabinol (Marinol), Ibuprofen; (Advil, Nuprin, Motrin, Excedrin IB etc),Ketoprofen (Orudis KT),Kidney infection (Kidney disease, diabetes), Liver Disease,Naproxen ,(Aleve)Promethazine (Phenergan, Promethegan)
Riboflavin (B2, Hempseed Oil)


Here is a link to print out the article.


I hope this helps you. Please click accept. Thank you!

Edited by CamilleRN on 10/20/2009 at 4:58 PM EST
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