The Best Researched False Positive List – Period. First Of All – Yes, This List Is Real. This data comes from the manufacturer’s own internal documents.Always Test Clean has assembled the most comprehensive list of what can cause a false positive drug test. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Return To Main Guide For further information: Guide To Pregnancy. Is Tylenol Safe During Pregnancy? Tylenol is a brand name for the drug acetaminophen, commonly used for the treatment of colds and flu. “Carol tried physical therapy and medications, including Vicodin, Hydrocodone and high doses of Tylenol. Her pain continued to progress, but she was uncomfortable taking strong medications as they made her feel confused. Tylenol 3 is a prescription drug combining acetaminophen and codeine used for treating pain. Learn how long both ingredients stay in the body. Since the June 1995 U. S. Supreme Court ruling in support of random interscholastic student athlete drug testing, more schools then ever before have begun either mandatory, reasonable suspicion or voluntary types of drug testing as they battle drug abuse by their students. To screen for drug abuse, to monitor someone with a substance abuse problem, to monitor compliance with prescribed medications, or to detect and evaluate drug intoxication or overdose Structure, properties, spectra, suppliers and links for: Paracetamol, Acetaminophen, 103-90-2. Actually, yes, it can. Codeine is metabolized within the body into morphine so a drug screen may come up positive for morphine. Your Dr should know this. Prescription Drugs: Many prescription drugs have a high potential for abuse and, thus, are targeted by urine tests. Upon testing positive for a prescription drug, you will be required to provide proof of prescription in your own name.