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Midland, PA
A 53-year-old female asked:

i take morphine sulfate 200mg 3x a day. had a routine saliva drug test. tested positive for fentanyl. is this possible? never had fentanyl ever?

1 doctor answer2 doctors weighed in
Dr. Robert Bates jr.
Critical Care 24 years experience
Repeat lab test: Next step would be for lab to repeat test and check quality control results.

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Last updated Aug 2, 2014
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