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What else can I help you with?
Can urine test for amphetamine be false negative?
yes.
How is pheochromocytoma diagnosed?
If a pheochromocytoma is suspected, urine and/or a blood test are usually recommended. A test called "24-hour urinary catacholamines and metanephrines" will be done.
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.
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 are pheochromocytomas usually treated?
If a pheochromocytoma is suspected, urine and/or a blood test are usually recommended. A test called "24-hour urinary catacholamines and metanephrines" will be done.
Will lipitor cause a false urine test for amphetamines?
No; Lipitor is not a psychoactive drug and would not cause a false urine test for amphetamines.
Can a pregnancy test show a false negative if it is dipped in urine too long using the pee in a cup method?
No. But the result may be fainter. Do another test.
Can antihistamines cause false negative pregnancy test?
Promethazine (Phenagren) can cause a false negative.
If you mix water with urine what will be the results of a urine test?
Mixing water with urine will dilute the urine sample, potentially affecting the accuracy of the urine test results. The concentration of substances in the urine, such as drugs or metabolites, may be lower than expected, leading to false-negative results. Dilution of the urine sample is generally considered an attempt to cheat or manipulate the test.
Why does urine have to be diluted so heavily for a Jaffe's reaction test?
Diluting urine for a Jaffe's reaction test helps to minimize interference from other substances in urine that may give false-positive or false-negative results. The dilution helps to ensure that the color change observed in the reaction is due specifically to the creatinine concentration in the sample.
Can a pregnancy test show a false negative if it is dipped in urine too long using the 'pee in a cup' method?
Hi, It is possible yes.
