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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Blood Test To Show Positive For Cocaine Inspite Of Not Smoking?

I recived a posative reaction on a blood test for cocain I smoke pot and havent had cocain for seven years Im over weight five feet six inches at 250lb I take many perscription and in a va syc unite is this posable Now I cant see my grandchildren or go to there home all i did was try to get help with my anger problum not destroy what life I had I appolajise I didnt realize this coast money at this time Im am with out funding and didnt mean to bother any one with my problumes respively jdwoodhauler
Fri, 25 Nov 2016
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Addiction Medicine Specialist,  's  Response
Yeah, this happens a lot. It isn't primarily on the blood test. It is really common on the dip stick test of urine. Mostly this is due to factors in drugs/foods/dyes, environmental chemicals that we don't know about. Then a minority of cases are from drugs that we do actually know are similar to cocaine. Lidcocaine (such as in dental injections) or antidepressants are close in chemical structure among many other possibilities.
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What Causes Blood Test To Show Positive For Cocaine Inspite Of Not Smoking?

Yeah, this happens a lot. It isn t primarily on the blood test. It is really common on the dip stick test of urine. Mostly this is due to factors in drugs/foods/dyes, environmental chemicals that we don t know about. Then a minority of cases are from drugs that we do actually know are similar to cocaine. Lidcocaine (such as in dental injections) or antidepressants are close in chemical structure among many other possibilities.