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

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Dr. Alan Wartenberg
542 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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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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Dr. David Sherer
213 doctors shared insights

Sublimaze (Definition)

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


Dr. David Sherer
221 doctors shared insights

Duragesic (Definition)

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