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Dr. K.
Dr. K., Doctor
Category: Medical
Satisfied Customers: 2139
Experience:  Board Certified primary care doctor.
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How can morphine show up in the best urine test?

Customer Question

How long can morphine show up in the best urine test?
Submitted: 7 years ago.
Category: Medical
Expert:  Dr. K. replied 7 years ago.
about 1-5 days
Customer: replied 7 years ago.
I took a urine analysis, as I always do. and after 6 to 7 days my doctor told mr he still detected Morphine in my system. How is this possible???
Expert:  Dr. K. replied 7 years ago.

Poppyseeds and codeine ingestion can cause false positives for morphine.

Expert:  Dr. K. replied 7 years ago.
are you taking any other medications?

Take a looks at this list http://www.askdocweb.com/falsepositives.html

it is a very comprehensive list of substances that can caus false positives