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Are home drug test effective in finding the drug level in blood?

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Posted on Tue, 21 Jan 2014
Question: I did 2 small lines of cocaine and 3 key bumps for the first time in over a year, last intake 3am sun am. Drank easily 1.5-2 gallons a day sun mon and Tuesday, took UDS 61 hours post use. I passed three home test with faint lines with same cutoff levels prior to testing. Urine test was a 10 panel send out. Will I pass
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Answered by Dr. Luchuo Engelbert Bain (1 hour later)
Brief Answer: You are likely to test positive (not to pass). Detailed Answer: Hi and thanks for the query, I am afraid the timeline, given the half life of the drug makes it very difficult for you to pass the test. It is true that drinking much fluids decreases its concentration in the blood. However, the time separating the intake and when you have to pass the test, considering its half life, makes it very very probable for you to test positive. Thanks and kind regards as I wish you the best of health. Dr Bain
Above answer was peer-reviewed by : Dr. Yogesh D
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Follow up: Dr. Luchuo Engelbert Bain (27 minutes later)
Even if i passed 3 home drug test with same cutoffs
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Answered by Dr. Luchuo Engelbert Bain (5 minutes later)
Brief Answer: Yes, its very likely the test will turn out positi Detailed Answer: Hi and thanks for the follow up questions. I reaffirm , yes, it is very unlikely, with the tests that are used today for the test not to test positive. It is very likely for the test to be positive. Thanks and kind regards Dr Bain
Above answer was peer-reviewed by : Dr. Yogesh D
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Follow up: Dr. Luchuo Engelbert Bain (21 minutes later)
So are ome drug test not acurate h
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Answered by Dr. Luchuo Engelbert Bain (4 minutes later)
Brief Answer: They are accurate, but however, less sensitive Detailed Answer: Hi and thanks for the query, Home tests are generally used as a screening tool. NOt that they are not accurate. THEY ARE HOWEVER LESS SENSITIVE THAN THE ROUTINE TESTS THAT ARE GENERALLY USED. FROM MY EXPERIENCE, i DO NOT THINK WITH THE TESTS GENERALLY USED, THE TEST COULD FAIL TO DETECT OR TEST POSITIVE. Thanks and kind regards Dr Bain
Above answer was peer-reviewed by : Dr. Yogesh D
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Dr. Luchuo Engelbert Bain

General & Family Physician

Practicing since :2009

Answered : 3092 Questions

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Are home drug test effective in finding the drug level in blood?

Brief Answer: You are likely to test positive (not to pass). Detailed Answer: Hi and thanks for the query, I am afraid the timeline, given the half life of the drug makes it very difficult for you to pass the test. It is true that drinking much fluids decreases its concentration in the blood. However, the time separating the intake and when you have to pass the test, considering its half life, makes it very very probable for you to test positive. Thanks and kind regards as I wish you the best of health. Dr Bain