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  • February 16th, 2011

    Positive Drug Test Result Amphetamine

    Read about positive drug test results amphetamines.

    Many people who are faced to take a drug test for amphetamines or methamphetamines are wondering if they can avoid getting false positive drug test results amphetamines by searching for tips online. In the present drug testing world, a false positive drug test result is defined as a drug free specimen wrongly being reported as showing the presence of illegal drug. A false positive can occur because of a number of reasons including improper paper work, incorrect drug testing procedure, mixing of different samples and due to passive inhalation. But the main and the most common reason behind false positive are the cross reactants. It is a chemical substance having similar chemical structure to a drug or a drug metabolite. False positive is a case of mistaken identity.

    A recent report suggested that about 65 out of 161 prescription drugs and over the counter medications produced false positive drug test results in the most widely administered urine test. Drug hair testing is the most accurate drug test and eliminates the chances of false positive. Therefore, a lab performs a confirmatory hair test if one tests positive in urine test to ensure that the result was not false positive. None of the drug testing procedure is cent percent accurate and the facilities have reported a false positive rate between 5 to 14%. In a situation, if the individual undergoing a drug test is of the opinion that the result is false, then the labs are required to perform a retest.

    Amphetamine false positive results are the most common ones. Many over the counter medications and allergy remedies cause a false positive result for amphetamines because of their resemblance with the drugs. Most common nasal decongestants are also the reason behind amphetamines false positive. The medications containing chloropromazine, fluspirilene and many others yield a false positive. It is always a great idea to carry a doctor’s note and prescription list to the testing labs. If the authorities are aware about the medications that can cause false positive then you need not worry.

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