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Doctor insights on: What Does Fentanyl Pop For In A Drug Test

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Dr. Alan Wartenberg
572 doctors shared insights

Drug Testing (Definition)

It is the process of examining body fluids or tissue for evidence of chemicals taken or not taken. It does not diagnose addiction however this a ...Read more


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What would cause a false negative urine drug test for fentanyl patches?

What would cause a false negative urine drug test for fentanyl patches?

Errors: 1. Not wearing the patch, an exhausted patch, a placebo patch 2. The test was not specific for fentanyl 3. Lab error 4. Specimen misidentification. ...Read more

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Is there anything that could cause a false positive drug test for fentanyl?

No: Conventional urine drug screens (uds) look for metabolites from naturally occurring opioids (like morphine and codeine), but fentanyl is a synthetic opioid which is metabolized to different products. These products are not picked up by uds. ...Read more

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What type of drug test can i have done on my daughter to check for fentanyl hereing shes using fentanyl patch and cuttin peices an putting under tonge?

Urine drug screen: A typical urine drug screen will pick up fentanyl as an opiate. I am sure the ones you buy over the counter at CVS test for opiates. Good luck in helping your daughter! ...Read more

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Why would hydrocodone show up in a urine drug test when u only take oxycodone and use fentanyl patches?

Because u r alive!: Those drugs are all opiods and the body has metabolic pathways that intraconvert one drug into another. That's biochemistry for you. You can look up the pathways in Goodman & Gilman if you want to. Great book on pharmacology. ...Read more

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Can someone taking morphine sulfate test positive for fentanyl in a saliva drug test , although they have never taken fentanyl ever?

Yes,: Both drugs in the same class (opioids) so they will both show up the same. Fentanyl is a synthetic opioid and much stronger than morphine. When testing for Morphine, it will show positive for morphine metabolites or fentanyl. Take care. ...Read more

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Can you pop hot for a drug test from second hand spice or k2 smoke?

Can you pop hot for a drug test from second hand spice or k2 smoke?

Maybe: It depends what was in the smoke and how much second hand smoke you inhaled. When I worked in the drug abuse testing lab for the Air Force we certainly had some positive tests from second hand smoke for MJ. But this was using a more sophisticated test than a simple urinalysis. Best thing to do if you are going to be tested for your work is stay away from friends or situations like that. ...Read more

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Thoughts? Could second hand smoke from pot cause me to pop hot on a drug test?

Pot drug test: Second hand pot smoke actually potentially can make you test positive ! ...Read more

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I am a fentanyl patch but my work drug tests come up negative. How can this be?

I am a fentanyl patch but my work drug tests come up negative. How can this be?

Fentanyl is: Unique pharmacolocig compund that may cover narcotic/opiod receptors but it and its metabolites may not be picked p in generic screens for morhine, heroin, Methadone or cannabinoids. There are other newer pain products Nucynta (tapentadol) that also are relatively potent analgesics that do not turn screens positive. ...Read more

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Will anzemet show up in a drug test?

Will anzemet show up in a drug test?

Anzemet: No, but it is a powerful medication with drug-drug interactions. ...Read more

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What they test for in a drug test for insurance?

What they test for in a drug test for insurance?

Risk of disease: If you are talking about life insurance, they are interested in evidence of risk for early death. Testing for evidence of tabacco use, hiv/aids, elevated lipidis/cholesterol, diabetes and high blood pressure are common. You may still be able to get insurance, but the rates will be higher. ...Read more

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What do they test for in a drug test in military?

Standard & new ones: The military typically tests for illicit substances looked for in a standard urine drug screen (cannabis/thc, cocaine, pcp, methamphetamine, barbiturates, and benzodiazepines). Additionally, synthetic cannabis is being tested. Other special tests can be ordered if requested by the command or hospital as well. ...Read more

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How long. Does. Hydrocodone. Show up in a drug test?

How long. Does. Hydrocodone. Show up in a drug test?

1-2 days: Hydrocodone will usually take 1 - 2 days to clear from a urine test. After 2 days, it will be negative more than 95% of the time. This includes the parent drug as well asthe secondary metablites. ...Read more

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How could anesthesia come up as cocaine in a drug test and what types of anesthesia?

How could anesthesia come up as cocaine in a drug test and what types of anesthesia?

Nasal surgery: Ear, nose & throat surgeons (otolaryngologists) often use Cocaine to numb the nose before surgery. Examples: surgery for deviated septum or turbinate resection. Cocaine is used as a local anesthetic to numb the area and to constrict blood vessels in order to reduce bleeding. ...Read more

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Dr. David Sherer
216 doctors shared insights

Sublimaze (Definition)

Sublimaze is a drug that increases narcotic effects which is a ...Read more


Dr. James Henning
714 doctors shared insights

Fentanyl (Definition)

Fentanyl is a ...Read more