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What Causes False Positive Urine Results For Heroin?

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Posted on Tue, 26 Aug 2014
Question: hi, I had a urine drug test the other day for probabtion. it came up positive for heroin. which im on the methodone clinic and haven't taken heroin for a few weeks.. but what I do still have is some huge infections in my arm that have blood and actual drugs in them.. I can actually suck drugs back out of my arm. could that b the result of my positive (herion) drug(urine) test?
doctor
Answered by Dr. Vishal Garala (45 minutes later)
Brief Answer:
Hi , positive test is due to methadone

Detailed Answer:
Hii dear

I admire you for positive outlook.

Very glad to see you.

Heroin is opioid derivatives.

Heroin means diacetylmorphine.

Usually heroin excreted through urine.


Heroin excreted 80% within 24 hours.

So after 7 days it won't be posible that it can detect in blood or plasma.


You are one methadone thaerapy which is most useful in heroin addiction.

Methadone itself opioid derivatives. But it has long half life as compare to heroin.

So it has been used as replacement therapy in opioid addiction mainly heroin and brown sugar.


So methadone is the reason for test comes positive.


Due to its very long halflife it can be detected in your blood or plasma even after 1 week.

Infection in arm and suck blood from arm is not a reason for positive test.


Still if you have query than feel free to ask.

Happy to help you.

Thank you.
Take care.
Note: For further guidance on mental health, Click here.

Above answer was peer-reviewed by : Dr. Bhagyalaxmi Nalaparaju
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Answered by
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Dr. Vishal Garala

Psychiatrist

Practicing since :2009

Answered : 1714 Questions

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What Causes False Positive Urine Results For Heroin?

Brief Answer: Hi , positive test is due to methadone Detailed Answer: Hii dear I admire you for positive outlook. Very glad to see you. Heroin is opioid derivatives. Heroin means diacetylmorphine. Usually heroin excreted through urine. Heroin excreted 80% within 24 hours. So after 7 days it won't be posible that it can detect in blood or plasma. You are one methadone thaerapy which is most useful in heroin addiction. Methadone itself opioid derivatives. But it has long half life as compare to heroin. So it has been used as replacement therapy in opioid addiction mainly heroin and brown sugar. So methadone is the reason for test comes positive. Due to its very long halflife it can be detected in your blood or plasma even after 1 week. Infection in arm and suck blood from arm is not a reason for positive test. Still if you have query than feel free to ask. Happy to help you. Thank you. Take care.