A positive bup on a drug screen test is a positive result for buprenorphine. Buprenorphine is often used as a tool to lessen the addiction of opiate addiction. Trazodone is a widely used but little-known drug prescribed off-label to treat insomnia. Though it can work, should you take trazodone for insomnia? Consumer Reports has the answers. How Does It Work? The QCarbo products are part of Herbal Clean's lineup. They're designed to work as fast-acting flushes to remove traces of drugs from your urine while avoiding the suspicion of cheating. Trazodone (Desyrel, Trialodine) is an inexpensive drug used to treat depression. This drug is more popular than comparable drugs. It is available in multiple generic and brand versions. Hi and welcome to the site. My name is***** hope I can provide helpful medical information for you today. Trazodone will not show up as a false positive on a drug screen for benzodiazepams. Ronda1975, Yes, it is possible to be screened for this drug, but highly unlikely because most drug test are looking for opiates not this. What I'm saying is that if they do a blood draw specifically for this drug they will find it up to 30 days after last dose, however, I've never know of anybody testing for it unless you specifically asked. Interactions. Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Our THC/Marijuana Detox Kits are made from all natural ingredients. They contain a unique combination of vitamins, minerals, and herbal cleansers that produce successful results when put to the test by people just like you every day. They will NOT show up on a drug test. They are not a controlled substance. They can however become habit forming which is why I recommend taking those medications as directed by your doctor to prevent abuse. If you have depression and are taking a prescription medication like Prozac, you might worry that it could show up on a drug test. This is especially a concern if you must take a pre-employment drug screen for a new job.