Will A 50mg Fentanyl Patch And A 30mg Percocet Show Up The Same On A Drug Test?


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James Parnell Profile
James Parnell answered
In a word, yes. Both Fentanyl and Percocet are opiates and therefore will be flagged up as an illegal substance on a standard drug screen.

If you have a prescription for these substances, then you should always notify the technician at the screening because your sample may cause a false positive.

Will Fentanyl show up the same as percocet?
  • Fentanyl is a very strong painkiller, related to morphine. These painkillers work like the pain-reducing chemicals called endorphins, which can be found in the brain and spinal cord. When they are joined with opioid receptors, they help lessen the pain of the patient. Once combined, the transmission of pain signals by the nerve is blocked, even before it reaches the brain. When this happens, the cause of pain may still be felt - but the pain felt by the patient seems less.
  • Percocet is also an opiate painkiller. It is a combination of the substances acetaminophen and oxycodone and is not as strong as Fentanyl. Usually Percocet is prescribed to patients who are suffering from moderate to severe pain. The oxycodone present in Percocet could be addictive and therefore the medication should only be taken by the person for whom it was prescribed, and according to the instructions.

As both of these medications will appear as opiates in a drug test you should notify the technician before the test!
Anonymous Profile
Anonymous answered
That's not true.  Fentanyl is synthethic and has to be tested for specifically.  Percocet (oxycodone) is semi-synthetic and also has to be tested for specifically.

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