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Pharmacy/false positives

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Question
Can dextromethorphan cause a false positive for hydromorphone ?

Answer
Hi Douglas,
In my experience such false positives will not occur. There is a vast difference in the chemistry of both the molecules, hence corss reaction is just not possible. This is irrespective of what a number of sites will tell you.
Best wishes
Ravi Ghooi

Pharmacy

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Dr. Ravindra Bhaskar Ghooi

Expertise

I can provide information on drugs and medicines, their actions, uses, interactions and adverse effects. To avoid confusion, generic names of medicines may please be provided. I am a pharmacologist, having worked on animal and human pharmacology, and presently I am the Dean of Bilcare Research Academy, where we teach courses on clinical research. We dont work on saturdays and sundays, hence questions reachng me on these days will be replied on Monday, please bear with me.

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