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Can urine test for pheochromocytoma be false negative?
Any test can be a false negative.
Which herbal supplements can cause a false positive on a urine drug test -?
Valerian Root can test positive as benzodiazepines. Ephedra can test positive as an amphetamine.
What urine test do you use for methylphenidate?
Methylphenidate (Ritalin) can show false positives for amphetamine or methamphetamine (5 panel test) but Detection time in urine its 3-5 days
Can having hyperthyroidism cause a false negative result on a urine test for opiates?
no
Do anti sisure medications cause false negative urine pregnancy test?
As they are strong drugs it can affect the pregnancy test.
Can caffeine cause positive amphetamine result in urine test?
No
Does bzp show up in a urine test?
Not quite sure though it does have a ampthemaine type action and structure to a degree so possibly false positive amphetamine.
What can cause a false negative chlamydia test in males?
Urinating within hours of the urine or swab test, not using the first urine that comes out, or inadequate swabbing can all cause a false negative chlamydia test. In addition, testing too soon after exposure, or recent exposure to partially effective antibiotics could cause a negative test that would be positive within a couple of more weeks.
How does adderall xr show up in urine test?
Adderall contains various amphetamine salts, and thus it gives a positive result for amphetamine(s) (some tests group various other amphetamine drugs, ie methamphetamine together with amphetamine) on a drug test.
Will hydrocodone cause false positive for amphetamine?
No, hydrocodone is an opiod(which it will show up as on most test) and unrelated to amphetamine.
Can trimethoprim give false positive for amphetamine?
i could do .... if your test is a proper test tho i dough it
Can you show positive for amphetamine doing a drug test if you dont use drugs with amphetamine in them?
It depends on the type of drug test used. A urine test, the most common, can give a false positive because the test does not test for the drug per se but it tests for metabolites of the drug. As a general matter, given a modern test and a reputable lab, false positives are rare. At the time of the test inform the tech of any OTC, herbal, prescription meds you have taken. Any positive urine test, moreover, is re-tested by spectrographic analysis, which is considered rock solid. Check out NORML.org/drug testing.
