No
Promethazine (Phenagren) can cause a false negative.
Can atenolol cause a false negative
BV won't cause a false negative on a pregnancy test.
can atenolol cause a false negative on a pregnancy test
No. The only thing that will cause a false negative on a HPT is testing too early. See your DR for a blood test.
Yes. Antihistamines can cause a negative result
Some infections in the kidney can cause false positive dipstick test results but not false negative.
No. Taking the test too soon causes false negative.
no way!
no
Any test can be a false negative.
Caffeine will not cause a false positive in drug tests.