![]() ![]() “Drug tests” in general use a wide variety of techniques. Done by a parent using a cheapo drug test from Walgreens, false positives and negatives are far more likely. The drug you are targeting will be far more likely to attach to the antibody than other drugs.) Done in a lab by trained personnel, the false positive or negative rate is incredibly low but not quite zero. (Short version, you pick a specific antibody for a specific drug. Technically, a drug screen is an immunoassay test. I work in a toxicology lab, and I’ll note “drug test” and “drug screen” are not necessarily the same thing. Much easier to just go to the next applicant, IMHO. This drug is found in populations of adolescent and adult patients being treated for ADD and ADHD.Īnyway, I’d take their claims with several large grains of salt, considering the difference between laboratory practice and field reality, not to mention any cross-reactivity that results in a positive test is likely to end the inquiry right there, and not trigger a further expensive test to clarify the results. A person who is prescribed Adderall must acquire a special type of prescription from his/her physician the drug is strictly regulated under Federal Schedule II. The methamphetamine/ecstasy (mAMP/MDMA) screen will be negative however. Therefore, if this prescribed medication’s concentration in the urine is near or exceeds the AMP cut-off threshold, the AMP screen will render a ‘positive’ result. Adderall™, a drug widely used to treat attention deficit disorder (AAD) contains only AMPHETAMINE, there is no METHAMPHETAMINE in the product. Question: Does Adderall™ (contains a mixture of amphetamine salts) cause a positive Amphetamine screen?Īnswer: Yes.This sort of excuse is a poor one since Ritalin is structurally different and will not cause a positive screen for methamphetamine. ![]() Abusers of methamphetamine frequently offer up an alibi for “crank” use claiming that they take Ritalin for an alleged attention deficit disorder. ![]() Urines “spiked” with up to 100,000 ng/ml of methylphenidate screened ‘negative’ for amphetamine and methamphetamine. Methylphenidate does not cross react with the AMP or mAMP/MDMA assays. Question: Will the MEDTOX AMP or mAMP Screen be positive if the person is taking methylphenidate (Ritalin™, Concerta™)?Īnswer: No.(Aside, fuck you Adobe for making what used to be a simple right click/select/paste, a gigantic pain in the ass.)Īfter much laborious unlocking and converting so that I could cut and paste, here’s what they say about Aderall and Ritalin: Here’s a drug screen manufacturer’s FAQ on false positives for Adderall and Ritalin. ![]()
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