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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can The Test For Morphine Be A False Positive?

I recently had a drug test for a job offer and my test came back positive for morphine and hydrocodine. I have never taking morphine in my life and I have a prescription for hydrocodone. I do not understand these results and I am very upset because I have never taken or done any kind of drugs. Can you please explain this to me.
Thu, 7 Nov 2019
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Internal Medicine Specialist 's  Response
Hello,

Its a true positive test as hydrocodone and morphine both metabolizes into dihydrocodeine and hydromorphone into the body.

There is no need to afraid of anything if you have the proper prescription for hydrocodone.

As long as you are taking this medicine every time your test is going to be positive for morphine.

Hope I have answered your query. Let me know if I can assist you further.

Take care

Regards,
Dr SAMEEN BIN NAEEM, General & Family Physician
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Can The Test For Morphine Be A False Positive?

Hello, Its a true positive test as hydrocodone and morphine both metabolizes into dihydrocodeine and hydromorphone into the body. There is no need to afraid of anything if you have the proper prescription for hydrocodone. As long as you are taking this medicine every time your test is going to be positive for morphine. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr SAMEEN BIN NAEEM, General & Family Physician