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Some infections in the kidney can cause false positive dipstick test results but not false negative.
Your results can be a false-negative or a false-positive.
The HIV medication Atripla causes false positive THC urinalysis tests.
No, diabetes has no effect on blood alcohol content. That depends on what type of test you are referring to... Acetone (or other ketones) in the blood/body, whether because of Diabetes, other illness, or some Diets CAN, and often DOES cause false positive alcohol test results if tested with a Breathalyzer. It may not affect the actual blood alcohol content, but it CAN cause false positive test results... THAT is why the result is called a FALSE positive.
Only if the first HIV test was false positive can the test results change.
If you mean how can you prove that the drug test results were false, ask for a retest.
Yes benztropine causes false positives
If you took a pregnancy test too early, you could have a false negative. There are seldom false positive's though.
Bromfed has been reported to cause false-positive results in urine drug tests.
What is false positive in widal test
You can request the lab to a confirmation test to see if there has been a false positive for your results.
Usually different results from pregnancy tests come from using the test too early. Taking the test too soon will cause a test to read a false negative. Some HPT are more sensitive than others, they will read positive sooner than a less sensitive test. False negative results are very common from using the test too early, false positive is almost unheard of unless the test kit was damaged somehow. Always check the kit before using it, including the expiration date and follow directions.