Promethazine (Phenagren) can cause a false negative.
Yes, lithium can cause a false pregnancy on a pregnancy test.
BV won't cause a false negative on a pregnancy test.
Can atenolol cause a false negative
can atenolol cause a false negative on a pregnancy test
No; Lipitor is not a psychoactive drug and would not cause a false urine test for amphetamines.
Some infections in the kidney can cause false positive dipstick test results but not false negative.
It depends on the test used and how recently you consumed the fentanyl. I would assume it will be detected. Don't "eat" fentanyl. It's neither safe nor real bright.
False positive for what test?
I use to be on Lamactil and my test came false positive for benopines.
No
Deodorant or hairspray typically do not contain alcohol in amounts significant enough to cause a false positive on an alcohol blood test. However, using an alcohol-based mouthwash shortly before a test could potentially lead to a false positive due to the alcohol content.